Home / 5,550.20-7,658.24-3,281.90

Finding the Fourth Proportional to 5,550.20, 7,658.24 and 3,281.90

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Solution

The fourth proportional to 5,550.20, 7,658.24 and 3,281.90 is: 4,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.20 : 7,658.24 = 3,281.90 : x
  2. Step 2: Convert to fraction form
    5,550.20/7,658.24 = 3,281.90/x
  3. Step 3: Cross multiply
    5,550.20x = 7,658.24 × 3,281.90
  4. Step 4: Simplify right side
    5,550.20x = 25,133,523.16
  5. Step 5: Solve for x
    x = 25,133,523.16/5,550.20
  6. Step 6: Final answer
    x = 4,528.40

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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.