Home / 10,472.79-15,709.05-2,575.38

Finding the Fourth Proportional to 10,472.79, 15,709.05 and 2,575.38

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Solution

The fourth proportional to 10,472.79, 15,709.05 and 2,575.38 is: 3,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.79 : 15,709.05 = 2,575.38 : x
  2. Step 2: Convert to fraction form
    10,472.79/15,709.05 = 2,575.38/x
  3. Step 3: Cross multiply
    10,472.79x = 15,709.05 × 2,575.38
  4. Step 4: Simplify right side
    10,472.79x = 40,456,696.25
  5. Step 5: Solve for x
    x = 40,456,696.25/10,472.79
  6. Step 6: Final answer
    x = 3,863.03

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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.