Home / 9,217.64-12,720.36-5,025.92

Finding the Fourth Proportional to 9,217.64, 12,720.36 and 5,025.92

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Solution

The fourth proportional to 9,217.64, 12,720.36 and 5,025.92 is: 6,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.64 : 12,720.36 = 5,025.92 : x
  2. Step 2: Convert to fraction form
    9,217.64/12,720.36 = 5,025.92/x
  3. Step 3: Cross multiply
    9,217.64x = 12,720.36 × 5,025.92
  4. Step 4: Simplify right side
    9,217.64x = 63,931,511.73
  5. Step 5: Solve for x
    x = 63,931,511.73/9,217.64
  6. Step 6: Final answer
    x = 6,935.78

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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.