Home / 10,546.28-15,819.45-3,970.70

Finding the Fourth Proportional to 10,546.28, 15,819.45 and 3,970.70

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Solution

The fourth proportional to 10,546.28, 15,819.45 and 3,970.70 is: 5,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.28 : 15,819.45 = 3,970.70 : x
  2. Step 2: Convert to fraction form
    10,546.28/15,819.45 = 3,970.70/x
  3. Step 3: Cross multiply
    10,546.28x = 15,819.45 × 3,970.70
  4. Step 4: Simplify right side
    10,546.28x = 62,814,290.12
  5. Step 5: Solve for x
    x = 62,814,290.12/10,546.28
  6. Step 6: Final answer
    x = 5,956.06

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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.