Home / 7,761.23-11,614.15-6,724.79

Finding the Fourth Proportional to 7,761.23, 11,614.15 and 6,724.79

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Solution

The fourth proportional to 7,761.23, 11,614.15 and 6,724.79 is: 10,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.23 : 11,614.15 = 6,724.79 : x
  2. Step 2: Convert to fraction form
    7,761.23/11,614.15 = 6,724.79/x
  3. Step 3: Cross multiply
    7,761.23x = 11,614.15 × 6,724.79
  4. Step 4: Simplify right side
    7,761.23x = 78,102,713.67
  5. Step 5: Solve for x
    x = 78,102,713.67/7,761.23
  6. Step 6: Final answer
    x = 10,063.18

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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.