Home / 8,216.70-11,339.15-4,679.92

Finding the Fourth Proportional to 8,216.70, 11,339.15 and 4,679.92

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Solution

The fourth proportional to 8,216.70, 11,339.15 and 4,679.92 is: 6,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.70 : 11,339.15 = 4,679.92 : x
  2. Step 2: Convert to fraction form
    8,216.70/11,339.15 = 4,679.92/x
  3. Step 3: Cross multiply
    8,216.70x = 11,339.15 × 4,679.92
  4. Step 4: Simplify right side
    8,216.70x = 53,066,314.87
  5. Step 5: Solve for x
    x = 53,066,314.87/8,216.70
  6. Step 6: Final answer
    x = 6,458.35

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Find fourth proportional to 4,108.35, 5,669.58 and 2,339.96
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.