Home / 5,299.31-7,949.17-1,789.38

Finding the Fourth Proportional to 5,299.31, 7,949.17 and 1,789.38

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Solution

The fourth proportional to 5,299.31, 7,949.17 and 1,789.38 is: 2,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.31 : 7,949.17 = 1,789.38 : x
  2. Step 2: Convert to fraction form
    5,299.31/7,949.17 = 1,789.38/x
  3. Step 3: Cross multiply
    5,299.31x = 7,949.17 × 1,789.38
  4. Step 4: Simplify right side
    5,299.31x = 14,224,085.81
  5. Step 5: Solve for x
    x = 14,224,085.81/5,299.31
  6. Step 6: Final answer
    x = 2,684.14

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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.