Home / 8,760.42-13,144.28-5,257.17

Finding the Fourth Proportional to 8,760.42, 13,144.28 and 5,257.17

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Solution

The fourth proportional to 8,760.42, 13,144.28 and 5,257.17 is: 7,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.42 : 13,144.28 = 5,257.17 : x
  2. Step 2: Convert to fraction form
    8,760.42/13,144.28 = 5,257.17/x
  3. Step 3: Cross multiply
    8,760.42x = 13,144.28 × 5,257.17
  4. Step 4: Simplify right side
    8,760.42x = 69,101,688.20
  5. Step 5: Solve for x
    x = 69,101,688.20/8,760.42
  6. Step 6: Final answer
    x = 7,887.94

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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.