Home / 8,737.28-13,107.18-2,892.60

Finding the Fourth Proportional to 8,737.28, 13,107.18 and 2,892.60

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Solution

The fourth proportional to 8,737.28, 13,107.18 and 2,892.60 is: 4,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.28 : 13,107.18 = 2,892.60 : x
  2. Step 2: Convert to fraction form
    8,737.28/13,107.18 = 2,892.60/x
  3. Step 3: Cross multiply
    8,737.28x = 13,107.18 × 2,892.60
  4. Step 4: Simplify right side
    8,737.28x = 37,913,828.87
  5. Step 5: Solve for x
    x = 37,913,828.87/8,737.28
  6. Step 6: Final answer
    x = 4,339.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.