Home / 7,505.39-11,279.96-3,612.53

Finding the Fourth Proportional to 7,505.39, 11,279.96 and 3,612.53

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Solution

The fourth proportional to 7,505.39, 11,279.96 and 3,612.53 is: 5,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.39 : 11,279.96 = 3,612.53 : x
  2. Step 2: Convert to fraction form
    7,505.39/11,279.96 = 3,612.53/x
  3. Step 3: Cross multiply
    7,505.39x = 11,279.96 × 3,612.53
  4. Step 4: Simplify right side
    7,505.39x = 40,749,217.58
  5. Step 5: Solve for x
    x = 40,749,217.58/7,505.39
  6. Step 6: Final answer
    x = 5,429.33

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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.