Home / 5,500.26-7,590.11-3,142.35

Finding the Fourth Proportional to 5,500.26, 7,590.11 and 3,142.35

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Solution

The fourth proportional to 5,500.26, 7,590.11 and 3,142.35 is: 4,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.26 : 7,590.11 = 3,142.35 : x
  2. Step 2: Convert to fraction form
    5,500.26/7,590.11 = 3,142.35/x
  3. Step 3: Cross multiply
    5,500.26x = 7,590.11 × 3,142.35
  4. Step 4: Simplify right side
    5,500.26x = 23,850,766.45
  5. Step 5: Solve for x
    x = 23,850,766.45/5,500.26
  6. Step 6: Final answer
    x = 4,336.30

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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.