Home / 4,213.61-6,319.86-1,251.99

Finding the Fourth Proportional to 4,213.61, 6,319.86 and 1,251.99

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Solution

The fourth proportional to 4,213.61, 6,319.86 and 1,251.99 is: 1,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.61 : 6,319.86 = 1,251.99 : x
  2. Step 2: Convert to fraction form
    4,213.61/6,319.86 = 1,251.99/x
  3. Step 3: Cross multiply
    4,213.61x = 6,319.86 × 1,251.99
  4. Step 4: Simplify right side
    4,213.61x = 7,912,401.52
  5. Step 5: Solve for x
    x = 7,912,401.52/4,213.61
  6. Step 6: Final answer
    x = 1,877.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.