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Finding the Fourth Proportional to 8,916.71, 12,310.02 and 6,088.32

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Solution

The fourth proportional to 8,916.71, 12,310.02 and 6,088.32 is: 8,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.71 : 12,310.02 = 6,088.32 : x
  2. Step 2: Convert to fraction form
    8,916.71/12,310.02 = 6,088.32/x
  3. Step 3: Cross multiply
    8,916.71x = 12,310.02 × 6,088.32
  4. Step 4: Simplify right side
    8,916.71x = 74,947,340.97
  5. Step 5: Solve for x
    x = 74,947,340.97/8,916.71
  6. Step 6: Final answer
    x = 8,405.27

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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.