Home / 7,726.14-11,589.24-5,427.90

Finding the Fourth Proportional to 7,726.14, 11,589.24 and 5,427.90

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Solution

The fourth proportional to 7,726.14, 11,589.24 and 5,427.90 is: 8,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.14 : 11,589.24 = 5,427.90 : x
  2. Step 2: Convert to fraction form
    7,726.14/11,589.24 = 5,427.90/x
  3. Step 3: Cross multiply
    7,726.14x = 11,589.24 × 5,427.90
  4. Step 4: Simplify right side
    7,726.14x = 62,905,235.80
  5. Step 5: Solve for x
    x = 62,905,235.80/7,726.14
  6. Step 6: Final answer
    x = 8,141.87

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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.