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Finding the Fourth Proportional to 8,360.84, 12,542.48 and 4,463.12

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Solution

The fourth proportional to 8,360.84, 12,542.48 and 4,463.12 is: 6,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.84 : 12,542.48 = 4,463.12 : x
  2. Step 2: Convert to fraction form
    8,360.84/12,542.48 = 4,463.12/x
  3. Step 3: Cross multiply
    8,360.84x = 12,542.48 × 4,463.12
  4. Step 4: Simplify right side
    8,360.84x = 55,978,593.34
  5. Step 5: Solve for x
    x = 55,978,593.34/8,360.84
  6. Step 6: Final answer
    x = 6,695.33

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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.