Home / 10,379.57-15,569.42-2,588.39

Finding the Fourth Proportional to 10,379.57, 15,569.42 and 2,588.39

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Solution

The fourth proportional to 10,379.57, 15,569.42 and 2,588.39 is: 3,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.57 : 15,569.42 = 2,588.39 : x
  2. Step 2: Convert to fraction form
    10,379.57/15,569.42 = 2,588.39/x
  3. Step 3: Cross multiply
    10,379.57x = 15,569.42 × 2,588.39
  4. Step 4: Simplify right side
    10,379.57x = 40,299,640.24
  5. Step 5: Solve for x
    x = 40,299,640.24/10,379.57
  6. Step 6: Final answer
    x = 3,882.59

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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.