Home / 8,350.16-11,499.98-6,454.76

Finding the Fourth Proportional to 8,350.16, 11,499.98 and 6,454.76

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Solution

The fourth proportional to 8,350.16, 11,499.98 and 6,454.76 is: 8,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.16 : 11,499.98 = 6,454.76 : x
  2. Step 2: Convert to fraction form
    8,350.16/11,499.98 = 6,454.76/x
  3. Step 3: Cross multiply
    8,350.16x = 11,499.98 × 6,454.76
  4. Step 4: Simplify right side
    8,350.16x = 74,229,610.90
  5. Step 5: Solve for x
    x = 74,229,610.90/8,350.16
  6. Step 6: Final answer
    x = 8,889.60

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Half scale
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Double scale
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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.