Home / 5,029.30-7,540.30-3,381.76

Finding the Fourth Proportional to 5,029.30, 7,540.30 and 3,381.76

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Solution

The fourth proportional to 5,029.30, 7,540.30 and 3,381.76 is: 5,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.30 : 7,540.30 = 3,381.76 : x
  2. Step 2: Convert to fraction form
    5,029.30/7,540.30 = 3,381.76/x
  3. Step 3: Cross multiply
    5,029.30x = 7,540.30 × 3,381.76
  4. Step 4: Simplify right side
    5,029.30x = 25,499,484.93
  5. Step 5: Solve for x
    x = 25,499,484.93/5,029.30
  6. Step 6: Final answer
    x = 5,070.19

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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.