Home / 5,125.03-7,687.55-3,956.74

Finding the Fourth Proportional to 5,125.03, 7,687.55 and 3,956.74

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Solution

The fourth proportional to 5,125.03, 7,687.55 and 3,956.74 is: 5,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.03 : 7,687.55 = 3,956.74 : x
  2. Step 2: Convert to fraction form
    5,125.03/7,687.55 = 3,956.74/x
  3. Step 3: Cross multiply
    5,125.03x = 7,687.55 × 3,956.74
  4. Step 4: Simplify right side
    5,125.03x = 30,417,636.59
  5. Step 5: Solve for x
    x = 30,417,636.59/5,125.03
  6. Step 6: Final answer
    x = 5,935.11

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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.