Home / 6,789.17-10,177.43-2,631.89

Finding the Fourth Proportional to 6,789.17, 10,177.43 and 2,631.89

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Solution

The fourth proportional to 6,789.17, 10,177.43 and 2,631.89 is: 3,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.17 : 10,177.43 = 2,631.89 : x
  2. Step 2: Convert to fraction form
    6,789.17/10,177.43 = 2,631.89/x
  3. Step 3: Cross multiply
    6,789.17x = 10,177.43 × 2,631.89
  4. Step 4: Simplify right side
    6,789.17x = 26,785,876.24
  5. Step 5: Solve for x
    x = 26,785,876.24/6,789.17
  6. Step 6: Final answer
    x = 3,945.38

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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.