Home / 10,397.05-15,595.56-2,605.87

Finding the Fourth Proportional to 10,397.05, 15,595.56 and 2,605.87

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Solution

The fourth proportional to 10,397.05, 15,595.56 and 2,605.87 is: 3,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.05 : 15,595.56 = 2,605.87 : x
  2. Step 2: Convert to fraction form
    10,397.05/15,595.56 = 2,605.87/x
  3. Step 3: Cross multiply
    10,397.05x = 15,595.56 × 2,605.87
  4. Step 4: Simplify right side
    10,397.05x = 40,640,001.94
  5. Step 5: Solve for x
    x = 40,640,001.94/10,397.05
  6. Step 6: Final answer
    x = 3,908.80

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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.