Home / 8,356.48-11,557.02-7,306.72

Finding the Fourth Proportional to 8,356.48, 11,557.02 and 7,306.72

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Solution

The fourth proportional to 8,356.48, 11,557.02 and 7,306.72 is: 10,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.48 : 11,557.02 = 7,306.72 : x
  2. Step 2: Convert to fraction form
    8,356.48/11,557.02 = 7,306.72/x
  3. Step 3: Cross multiply
    8,356.48x = 11,557.02 × 7,306.72
  4. Step 4: Simplify right side
    8,356.48x = 84,443,909.17
  5. Step 5: Solve for x
    x = 84,443,909.17/8,356.48
  6. Step 6: Final answer
    x = 10,105.20

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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.