Home / 5,247.31-7,867.32-1,959.52

Finding the Fourth Proportional to 5,247.31, 7,867.32 and 1,959.52

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Solution

The fourth proportional to 5,247.31, 7,867.32 and 1,959.52 is: 2,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.31 : 7,867.32 = 1,959.52 : x
  2. Step 2: Convert to fraction form
    5,247.31/7,867.32 = 1,959.52/x
  3. Step 3: Cross multiply
    5,247.31x = 7,867.32 × 1,959.52
  4. Step 4: Simplify right side
    5,247.31x = 15,416,170.89
  5. Step 5: Solve for x
    x = 15,416,170.89/5,247.31
  6. Step 6: Final answer
    x = 2,937.92

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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.