Home / 8,414.32-11,612.28-4,688.32

Finding the Fourth Proportional to 8,414.32, 11,612.28 and 4,688.32

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Solution

The fourth proportional to 8,414.32, 11,612.28 and 4,688.32 is: 6,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.32 : 11,612.28 = 4,688.32 : x
  2. Step 2: Convert to fraction form
    8,414.32/11,612.28 = 4,688.32/x
  3. Step 3: Cross multiply
    8,414.32x = 11,612.28 × 4,688.32
  4. Step 4: Simplify right side
    8,414.32x = 54,442,084.57
  5. Step 5: Solve for x
    x = 54,442,084.57/8,414.32
  6. Step 6: Final answer
    x = 6,470.17

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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.