Home / 8,616.28-11,887.22-5,256.76

Finding the Fourth Proportional to 8,616.28, 11,887.22 and 5,256.76

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Solution

The fourth proportional to 8,616.28, 11,887.22 and 5,256.76 is: 7,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.28 : 11,887.22 = 5,256.76 : x
  2. Step 2: Convert to fraction form
    8,616.28/11,887.22 = 5,256.76/x
  3. Step 3: Cross multiply
    8,616.28x = 11,887.22 × 5,256.76
  4. Step 4: Simplify right side
    8,616.28x = 62,488,262.61
  5. Step 5: Solve for x
    x = 62,488,262.61/8,616.28
  6. Step 6: Final answer
    x = 7,252.35

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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.