Home / 8,841.20-13,251.96-3,642.56

Finding the Fourth Proportional to 8,841.20, 13,251.96 and 3,642.56

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Solution

The fourth proportional to 8,841.20, 13,251.96 and 3,642.56 is: 5,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.20 : 13,251.96 = 3,642.56 : x
  2. Step 2: Convert to fraction form
    8,841.20/13,251.96 = 3,642.56/x
  3. Step 3: Cross multiply
    8,841.20x = 13,251.96 × 3,642.56
  4. Step 4: Simplify right side
    8,841.20x = 48,271,059.42
  5. Step 5: Solve for x
    x = 48,271,059.42/8,841.20
  6. Step 6: Final answer
    x = 5,459.79

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1.5x scale

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.