Home / 5,319.23-7,340.90-3,523.61

Finding the Fourth Proportional to 5,319.23, 7,340.90 and 3,523.61

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Solution

The fourth proportional to 5,319.23, 7,340.90 and 3,523.61 is: 4,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.23 : 7,340.90 = 3,523.61 : x
  2. Step 2: Convert to fraction form
    5,319.23/7,340.90 = 3,523.61/x
  3. Step 3: Cross multiply
    5,319.23x = 7,340.90 × 3,523.61
  4. Step 4: Simplify right side
    5,319.23x = 25,866,414.33
  5. Step 5: Solve for x
    x = 25,866,414.33/5,319.23
  6. Step 6: Final answer
    x = 4,862.82

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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.