Home / 5,520.48-8,281.30-2,747.84

Finding the Fourth Proportional to 5,520.48, 8,281.30 and 2,747.84

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Solution

The fourth proportional to 5,520.48, 8,281.30 and 2,747.84 is: 4,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.48 : 8,281.30 = 2,747.84 : x
  2. Step 2: Convert to fraction form
    5,520.48/8,281.30 = 2,747.84/x
  3. Step 3: Cross multiply
    5,520.48x = 8,281.30 × 2,747.84
  4. Step 4: Simplify right side
    5,520.48x = 22,755,687.39
  5. Step 5: Solve for x
    x = 22,755,687.39/5,520.48
  6. Step 6: Final answer
    x = 4,122.05

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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.