Home / 6,863.10-10,294.85-2,479.78

Finding the Fourth Proportional to 6,863.10, 10,294.85 and 2,479.78

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Solution

The fourth proportional to 6,863.10, 10,294.85 and 2,479.78 is: 3,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.10 : 10,294.85 = 2,479.78 : x
  2. Step 2: Convert to fraction form
    6,863.10/10,294.85 = 2,479.78/x
  3. Step 3: Cross multiply
    6,863.10x = 10,294.85 × 2,479.78
  4. Step 4: Simplify right side
    6,863.10x = 25,528,963.13
  5. Step 5: Solve for x
    x = 25,528,963.13/6,863.10
  6. Step 6: Final answer
    x = 3,719.74

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1.5x scale

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.