Home / 4,247.88-5,861.17-2,478.69

Finding the Fourth Proportional to 4,247.88, 5,861.17 and 2,478.69

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Solution

The fourth proportional to 4,247.88, 5,861.17 and 2,478.69 is: 3,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.88 : 5,861.17 = 2,478.69 : x
  2. Step 2: Convert to fraction form
    4,247.88/5,861.17 = 2,478.69/x
  3. Step 3: Cross multiply
    4,247.88x = 5,861.17 × 2,478.69
  4. Step 4: Simplify right side
    4,247.88x = 14,528,023.47
  5. Step 5: Solve for x
    x = 14,528,023.47/4,247.88
  6. Step 6: Final answer
    x = 3,420.06

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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.