Home / 5,254.20-7,869.15-3,601.80

Finding the Fourth Proportional to 5,254.20, 7,869.15 and 3,601.80

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Solution

The fourth proportional to 5,254.20, 7,869.15 and 3,601.80 is: 5,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.20 : 7,869.15 = 3,601.80 : x
  2. Step 2: Convert to fraction form
    5,254.20/7,869.15 = 3,601.80/x
  3. Step 3: Cross multiply
    5,254.20x = 7,869.15 × 3,601.80
  4. Step 4: Simplify right side
    5,254.20x = 28,343,104.47
  5. Step 5: Solve for x
    x = 28,343,104.47/5,254.20
  6. Step 6: Final answer
    x = 5,394.37

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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.