Home / 5,251.50-7,247.16-3,391.74

Finding the Fourth Proportional to 5,251.50, 7,247.16 and 3,391.74

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Solution

The fourth proportional to 5,251.50, 7,247.16 and 3,391.74 is: 4,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.50 : 7,247.16 = 3,391.74 : x
  2. Step 2: Convert to fraction form
    5,251.50/7,247.16 = 3,391.74/x
  3. Step 3: Cross multiply
    5,251.50x = 7,247.16 × 3,391.74
  4. Step 4: Simplify right side
    5,251.50x = 24,580,482.46
  5. Step 5: Solve for x
    x = 24,580,482.46/5,251.50
  6. Step 6: Final answer
    x = 4,680.66

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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.