Home / 7,452.40-11,181.68-3,752.64

Finding the Fourth Proportional to 7,452.40, 11,181.68 and 3,752.64

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Solution

The fourth proportional to 7,452.40, 11,181.68 and 3,752.64 is: 5,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.40 : 11,181.68 = 3,752.64 : x
  2. Step 2: Convert to fraction form
    7,452.40/11,181.68 = 3,752.64/x
  3. Step 3: Cross multiply
    7,452.40x = 11,181.68 × 3,752.64
  4. Step 4: Simplify right side
    7,452.40x = 41,960,819.64
  5. Step 5: Solve for x
    x = 41,960,819.64/7,452.40
  6. Step 6: Final answer
    x = 5,630.51

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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.