Home / 10,322.20-15,489.47-3,748.89

Finding the Fourth Proportional to 10,322.20, 15,489.47 and 3,748.89

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Solution

The fourth proportional to 10,322.20, 15,489.47 and 3,748.89 is: 5,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.20 : 15,489.47 = 3,748.89 : x
  2. Step 2: Convert to fraction form
    10,322.20/15,489.47 = 3,748.89/x
  3. Step 3: Cross multiply
    10,322.20x = 15,489.47 × 3,748.89
  4. Step 4: Simplify right side
    10,322.20x = 58,068,319.19
  5. Step 5: Solve for x
    x = 58,068,319.19/10,322.20
  6. Step 6: Final answer
    x = 5,625.58

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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.