Home / 7,481.88-10,325.90-4,338.20

Finding the Fourth Proportional to 7,481.88, 10,325.90 and 4,338.20

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Solution

The fourth proportional to 7,481.88, 10,325.90 and 4,338.20 is: 5,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.88 : 10,325.90 = 4,338.20 : x
  2. Step 2: Convert to fraction form
    7,481.88/10,325.90 = 4,338.20/x
  3. Step 3: Cross multiply
    7,481.88x = 10,325.90 × 4,338.20
  4. Step 4: Simplify right side
    7,481.88x = 44,795,819.38
  5. Step 5: Solve for x
    x = 44,795,819.38/7,481.88
  6. Step 6: Final answer
    x = 5,987.24

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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.