Home / 7,239.40-10,848.47-3,231.92

Finding the Fourth Proportional to 7,239.40, 10,848.47 and 3,231.92

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Solution

The fourth proportional to 7,239.40, 10,848.47 and 3,231.92 is: 4,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.40 : 10,848.47 = 3,231.92 : x
  2. Step 2: Convert to fraction form
    7,239.40/10,848.47 = 3,231.92/x
  3. Step 3: Cross multiply
    7,239.40x = 10,848.47 × 3,231.92
  4. Step 4: Simplify right side
    7,239.40x = 35,061,398.12
  5. Step 5: Solve for x
    x = 35,061,398.12/7,239.40
  6. Step 6: Final answer
    x = 4,843.14

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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.