Home / 10,610.28-15,911.66-3,111.76

Finding the Fourth Proportional to 10,610.28, 15,911.66 and 3,111.76

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Solution

The fourth proportional to 10,610.28, 15,911.66 and 3,111.76 is: 4,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.28 : 15,911.66 = 3,111.76 : x
  2. Step 2: Convert to fraction form
    10,610.28/15,911.66 = 3,111.76/x
  3. Step 3: Cross multiply
    10,610.28x = 15,911.66 × 3,111.76
  4. Step 4: Simplify right side
    10,610.28x = 49,513,187.78
  5. Step 5: Solve for x
    x = 49,513,187.78/10,610.28
  6. Step 6: Final answer
    x = 4,666.53

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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.