Home / 7,882.13-11,817.29-4,761.48

Finding the Fourth Proportional to 7,882.13, 11,817.29 and 4,761.48

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Solution

The fourth proportional to 7,882.13, 11,817.29 and 4,761.48 is: 7,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.13 : 11,817.29 = 4,761.48 : x
  2. Step 2: Convert to fraction form
    7,882.13/11,817.29 = 4,761.48/x
  3. Step 3: Cross multiply
    7,882.13x = 11,817.29 × 4,761.48
  4. Step 4: Simplify right side
    7,882.13x = 56,267,766.18
  5. Step 5: Solve for x
    x = 56,267,766.18/7,882.13
  6. Step 6: Final answer
    x = 7,138.65

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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.