Home / 5,500.44-7,590.68-3,142.72

Finding the Fourth Proportional to 5,500.44, 7,590.68 and 3,142.72

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Solution

The fourth proportional to 5,500.44, 7,590.68 and 3,142.72 is: 4,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.44 : 7,590.68 = 3,142.72 : x
  2. Step 2: Convert to fraction form
    5,500.44/7,590.68 = 3,142.72/x
  3. Step 3: Cross multiply
    5,500.44x = 7,590.68 × 3,142.72
  4. Step 4: Simplify right side
    5,500.44x = 23,855,381.85
  5. Step 5: Solve for x
    x = 23,855,381.85/5,500.44
  6. Step 6: Final answer
    x = 4,337.00

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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.