Home / 6,862.28-10,290.38-2,479.77

Finding the Fourth Proportional to 6,862.28, 10,290.38 and 2,479.77

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Solution

The fourth proportional to 6,862.28, 10,290.38 and 2,479.77 is: 3,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.28 : 10,290.38 = 2,479.77 : x
  2. Step 2: Convert to fraction form
    6,862.28/10,290.38 = 2,479.77/x
  3. Step 3: Cross multiply
    6,862.28x = 10,290.38 × 2,479.77
  4. Step 4: Simplify right side
    6,862.28x = 25,517,763.21
  5. Step 5: Solve for x
    x = 25,517,763.21/6,862.28
  6. Step 6: Final answer
    x = 3,718.56

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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.