Home / 5,488.30-8,232.45-5,455.90

Finding the Fourth Proportional to 5,488.30, 8,232.45 and 5,455.90

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Solution

The fourth proportional to 5,488.30, 8,232.45 and 5,455.90 is: 8,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.30 : 8,232.45 = 5,455.90 : x
  2. Step 2: Convert to fraction form
    5,488.30/8,232.45 = 5,455.90/x
  3. Step 3: Cross multiply
    5,488.30x = 8,232.45 × 5,455.90
  4. Step 4: Simplify right side
    5,488.30x = 44,915,423.96
  5. Step 5: Solve for x
    x = 44,915,423.96/5,488.30
  6. Step 6: Final answer
    x = 8,183.85

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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.