Home / 5,427.38-7,489.76-3,069.54

Finding the Fourth Proportional to 5,427.38, 7,489.76 and 3,069.54

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Solution

The fourth proportional to 5,427.38, 7,489.76 and 3,069.54 is: 4,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.38 : 7,489.76 = 3,069.54 : x
  2. Step 2: Convert to fraction form
    5,427.38/7,489.76 = 3,069.54/x
  3. Step 3: Cross multiply
    5,427.38x = 7,489.76 × 3,069.54
  4. Step 4: Simplify right side
    5,427.38x = 22,990,117.91
  5. Step 5: Solve for x
    x = 22,990,117.91/5,427.38
  6. Step 6: Final answer
    x = 4,235.95

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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.