Home / 9,239.40-12,750.66-5,047.56

Finding the Fourth Proportional to 9,239.40, 12,750.66 and 5,047.56

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Solution

The fourth proportional to 9,239.40, 12,750.66 and 5,047.56 is: 6,965.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.40 : 12,750.66 = 5,047.56 : x
  2. Step 2: Convert to fraction form
    9,239.40/12,750.66 = 5,047.56/x
  3. Step 3: Cross multiply
    9,239.40x = 12,750.66 × 5,047.56
  4. Step 4: Simplify right side
    9,239.40x = 64,359,721.39
  5. Step 5: Solve for x
    x = 64,359,721.39/9,239.40
  6. Step 6: Final answer
    x = 6,965.79

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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.