Home / 7,481.55-10,324.38-4,124.28

Finding the Fourth Proportional to 7,481.55, 10,324.38 and 4,124.28

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Solution

The fourth proportional to 7,481.55, 10,324.38 and 4,124.28 is: 5,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.55 : 10,324.38 = 4,124.28 : x
  2. Step 2: Convert to fraction form
    7,481.55/10,324.38 = 4,124.28/x
  3. Step 3: Cross multiply
    7,481.55x = 10,324.38 × 4,124.28
  4. Step 4: Simplify right side
    7,481.55x = 42,580,633.95
  5. Step 5: Solve for x
    x = 42,580,633.95/7,481.55
  6. Step 6: Final answer
    x = 5,691.42

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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.