Home / 8,353.46-11,539.79-6,672.66

Finding the Fourth Proportional to 8,353.46, 11,539.79 and 6,672.66

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Solution

The fourth proportional to 8,353.46, 11,539.79 and 6,672.66 is: 9,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.46 : 11,539.79 = 6,672.66 : x
  2. Step 2: Convert to fraction form
    8,353.46/11,539.79 = 6,672.66/x
  3. Step 3: Cross multiply
    8,353.46x = 11,539.79 × 6,672.66
  4. Step 4: Simplify right side
    8,353.46x = 77,001,061.78
  5. Step 5: Solve for x
    x = 77,001,061.78/8,353.46
  6. Step 6: Final answer
    x = 9,217.87

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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.