Home / 6,726.31-9,261.17-5,715.89

Finding the Fourth Proportional to 6,726.31, 9,261.17 and 5,715.89

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Solution

The fourth proportional to 6,726.31, 9,261.17 and 5,715.89 is: 7,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726.31 : 9,261.17 = 5,715.89 : x
  2. Step 2: Convert to fraction form
    6,726.31/9,261.17 = 5,715.89/x
  3. Step 3: Cross multiply
    6,726.31x = 9,261.17 × 5,715.89
  4. Step 4: Simplify right side
    6,726.31x = 52,935,796.98
  5. Step 5: Solve for x
    x = 52,935,796.98/6,726.31
  6. Step 6: Final answer
    x = 7,869.96

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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.