Home / 9,231.30-12,739.32-5,252.43

Finding the Fourth Proportional to 9,231.30, 12,739.32 and 5,252.43

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Solution

The fourth proportional to 9,231.30, 12,739.32 and 5,252.43 is: 7,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.30 : 12,739.32 = 5,252.43 : x
  2. Step 2: Convert to fraction form
    9,231.30/12,739.32 = 5,252.43/x
  3. Step 3: Cross multiply
    9,231.30x = 12,739.32 × 5,252.43
  4. Step 4: Simplify right side
    9,231.30x = 66,912,386.55
  5. Step 5: Solve for x
    x = 66,912,386.55/9,231.30
  6. Step 6: Final answer
    x = 7,248.43

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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.