Home / 5,517.68-8,281.96-4,489.80

Finding the Fourth Proportional to 5,517.68, 8,281.96 and 4,489.80

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Solution

The fourth proportional to 5,517.68, 8,281.96 and 4,489.80 is: 6,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.68 : 8,281.96 = 4,489.80 : x
  2. Step 2: Convert to fraction form
    5,517.68/8,281.96 = 4,489.80/x
  3. Step 3: Cross multiply
    5,517.68x = 8,281.96 × 4,489.80
  4. Step 4: Simplify right side
    5,517.68x = 37,184,344.01
  5. Step 5: Solve for x
    x = 37,184,344.01/5,517.68
  6. Step 6: Final answer
    x = 6,739.13

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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.