Home / 6,652.13-9,180.56-3,819.88

Finding the Fourth Proportional to 6,652.13, 9,180.56 and 3,819.88

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Solution

The fourth proportional to 6,652.13, 9,180.56 and 3,819.88 is: 5,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.13 : 9,180.56 = 3,819.88 : x
  2. Step 2: Convert to fraction form
    6,652.13/9,180.56 = 3,819.88/x
  3. Step 3: Cross multiply
    6,652.13x = 9,180.56 × 3,819.88
  4. Step 4: Simplify right side
    6,652.13x = 35,068,609.81
  5. Step 5: Solve for x
    x = 35,068,609.81/6,652.13
  6. Step 6: Final answer
    x = 5,271.78

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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.