Home / 7,691.58-11,542.41-4,231.26

Finding the Fourth Proportional to 7,691.58, 11,542.41 and 4,231.26

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Solution

The fourth proportional to 7,691.58, 11,542.41 and 4,231.26 is: 6,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.58 : 11,542.41 = 4,231.26 : x
  2. Step 2: Convert to fraction form
    7,691.58/11,542.41 = 4,231.26/x
  3. Step 3: Cross multiply
    7,691.58x = 11,542.41 × 4,231.26
  4. Step 4: Simplify right side
    7,691.58x = 48,838,937.74
  5. Step 5: Solve for x
    x = 48,838,937.74/7,691.58
  6. Step 6: Final answer
    x = 6,349.66

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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.