Home / 6,876.68-10,309.02-2,491.13

Finding the Fourth Proportional to 6,876.68, 10,309.02 and 2,491.13

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Solution

The fourth proportional to 6,876.68, 10,309.02 and 2,491.13 is: 3,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.68 : 10,309.02 = 2,491.13 : x
  2. Step 2: Convert to fraction form
    6,876.68/10,309.02 = 2,491.13/x
  3. Step 3: Cross multiply
    6,876.68x = 10,309.02 × 2,491.13
  4. Step 4: Simplify right side
    6,876.68x = 25,681,057.45
  5. Step 5: Solve for x
    x = 25,681,057.45/6,876.68
  6. Step 6: Final answer
    x = 3,734.52

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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.