Home / 9,245.38-12,759.95-5,266.87

Finding the Fourth Proportional to 9,245.38, 12,759.95 and 5,266.87

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Solution

The fourth proportional to 9,245.38, 12,759.95 and 5,266.87 is: 7,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.38 : 12,759.95 = 5,266.87 : x
  2. Step 2: Convert to fraction form
    9,245.38/12,759.95 = 5,266.87/x
  3. Step 3: Cross multiply
    9,245.38x = 12,759.95 × 5,266.87
  4. Step 4: Simplify right side
    9,245.38x = 67,204,997.86
  5. Step 5: Solve for x
    x = 67,204,997.86/9,245.38
  6. Step 6: Final answer
    x = 7,269.04

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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.