Home / 7,590.20-11,397.45-5,135.90

Finding the Fourth Proportional to 7,590.20, 11,397.45 and 5,135.90

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Solution

The fourth proportional to 7,590.20, 11,397.45 and 5,135.90 is: 7,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.20 : 11,397.45 = 5,135.90 : x
  2. Step 2: Convert to fraction form
    7,590.20/11,397.45 = 5,135.90/x
  3. Step 3: Cross multiply
    7,590.20x = 11,397.45 × 5,135.90
  4. Step 4: Simplify right side
    7,590.20x = 58,536,163.46
  5. Step 5: Solve for x
    x = 58,536,163.46/7,590.20
  6. Step 6: Final answer
    x = 7,712.07

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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.