Home / 8,216.94-11,339.37-4,680.15

Finding the Fourth Proportional to 8,216.94, 11,339.37 and 4,680.15

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Solution

The fourth proportional to 8,216.94, 11,339.37 and 4,680.15 is: 6,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.94 : 11,339.37 = 4,680.15 : x
  2. Step 2: Convert to fraction form
    8,216.94/11,339.37 = 4,680.15/x
  3. Step 3: Cross multiply
    8,216.94x = 11,339.37 × 4,680.15
  4. Step 4: Simplify right side
    8,216.94x = 53,069,952.51
  5. Step 5: Solve for x
    x = 53,069,952.51/8,216.94
  6. Step 6: Final answer
    x = 6,458.60

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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.