Home / 5,251.46-7,245.96-3,992.18

Finding the Fourth Proportional to 5,251.46, 7,245.96 and 3,992.18

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Solution

The fourth proportional to 5,251.46, 7,245.96 and 3,992.18 is: 5,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.46 : 7,245.96 = 3,992.18 : x
  2. Step 2: Convert to fraction form
    5,251.46/7,245.96 = 3,992.18/x
  3. Step 3: Cross multiply
    5,251.46x = 7,245.96 × 3,992.18
  4. Step 4: Simplify right side
    5,251.46x = 28,927,176.59
  5. Step 5: Solve for x
    x = 28,927,176.59/5,251.46
  6. Step 6: Final answer
    x = 5,508.41

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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.