Home / 5,539.20-7,635.11-4,819.55

Finding the Fourth Proportional to 5,539.20, 7,635.11 and 4,819.55

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Solution

The fourth proportional to 5,539.20, 7,635.11 and 4,819.55 is: 6,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.20 : 7,635.11 = 4,819.55 : x
  2. Step 2: Convert to fraction form
    5,539.20/7,635.11 = 4,819.55/x
  3. Step 3: Cross multiply
    5,539.20x = 7,635.11 × 4,819.55
  4. Step 4: Simplify right side
    5,539.20x = 36,797,732.13
  5. Step 5: Solve for x
    x = 36,797,732.13/5,539.20
  6. Step 6: Final answer
    x = 6,643.15

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1.5x scale

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.