Home / 4,801.12-7,209.60-3,631.20

Finding the Fourth Proportional to 4,801.12, 7,209.60 and 3,631.20

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Solution

The fourth proportional to 4,801.12, 7,209.60 and 3,631.20 is: 5,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.12 : 7,209.60 = 3,631.20 : x
  2. Step 2: Convert to fraction form
    4,801.12/7,209.60 = 3,631.20/x
  3. Step 3: Cross multiply
    4,801.12x = 7,209.60 × 3,631.20
  4. Step 4: Simplify right side
    4,801.12x = 26,179,499.52
  5. Step 5: Solve for x
    x = 26,179,499.52/4,801.12
  6. Step 6: Final answer
    x = 5,452.79

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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.