Home / 9,291.20-13,937.25-3,743.80

Finding the Fourth Proportional to 9,291.20, 13,937.25 and 3,743.80

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Solution

The fourth proportional to 9,291.20, 13,937.25 and 3,743.80 is: 5,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.20 : 13,937.25 = 3,743.80 : x
  2. Step 2: Convert to fraction form
    9,291.20/13,937.25 = 3,743.80/x
  3. Step 3: Cross multiply
    9,291.20x = 13,937.25 × 3,743.80
  4. Step 4: Simplify right side
    9,291.20x = 52,178,276.55
  5. Step 5: Solve for x
    x = 52,178,276.55/9,291.20
  6. Step 6: Final answer
    x = 5,615.88

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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.