Home / 5,247.18-7,241.13-3,151.32

Finding the Fourth Proportional to 5,247.18, 7,241.13 and 3,151.32

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Solution

The fourth proportional to 5,247.18, 7,241.13 and 3,151.32 is: 4,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.18 : 7,241.13 = 3,151.32 : x
  2. Step 2: Convert to fraction form
    5,247.18/7,241.13 = 3,151.32/x
  3. Step 3: Cross multiply
    5,247.18x = 7,241.13 × 3,151.32
  4. Step 4: Simplify right side
    5,247.18x = 22,819,117.79
  5. Step 5: Solve for x
    x = 22,819,117.79/5,247.18
  6. Step 6: Final answer
    x = 4,348.83

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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.