Home / 9,125.42-13,688.12-2,550.78

Finding the Fourth Proportional to 9,125.42, 13,688.12 and 2,550.78

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Solution

The fourth proportional to 9,125.42, 13,688.12 and 2,550.78 is: 3,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.42 : 13,688.12 = 2,550.78 : x
  2. Step 2: Convert to fraction form
    9,125.42/13,688.12 = 2,550.78/x
  3. Step 3: Cross multiply
    9,125.42x = 13,688.12 × 2,550.78
  4. Step 4: Simplify right side
    9,125.42x = 34,915,382.73
  5. Step 5: Solve for x
    x = 34,915,382.73/9,125.42
  6. Step 6: Final answer
    x = 3,826.17

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Similar ratio
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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.