Home / 5,521.68-8,287.98-4,493.80

Finding the Fourth Proportional to 5,521.68, 8,287.98 and 4,493.80

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Solution

The fourth proportional to 5,521.68, 8,287.98 and 4,493.80 is: 6,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.68 : 8,287.98 = 4,493.80 : x
  2. Step 2: Convert to fraction form
    5,521.68/8,287.98 = 4,493.80/x
  3. Step 3: Cross multiply
    5,521.68x = 8,287.98 × 4,493.80
  4. Step 4: Simplify right side
    5,521.68x = 37,244,524.52
  5. Step 5: Solve for x
    x = 37,244,524.52/5,521.68
  6. Step 6: Final answer
    x = 6,745.14

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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.