Home / 10,610.28-15,918.38-3,214.80

Finding the Fourth Proportional to 10,610.28, 15,918.38 and 3,214.80

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Solution

The fourth proportional to 10,610.28, 15,918.38 and 3,214.80 is: 4,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.28 : 15,918.38 = 3,214.80 : x
  2. Step 2: Convert to fraction form
    10,610.28/15,918.38 = 3,214.80/x
  3. Step 3: Cross multiply
    10,610.28x = 15,918.38 × 3,214.80
  4. Step 4: Simplify right side
    10,610.28x = 51,174,391.95
  5. Step 5: Solve for x
    x = 51,174,391.95/10,610.28
  6. Step 6: Final answer
    x = 4,823.10

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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.