Home / 5,229.35-7,806.41-4,480.91

Finding the Fourth Proportional to 5,229.35, 7,806.41 and 4,480.91

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Solution

The fourth proportional to 5,229.35, 7,806.41 and 4,480.91 is: 6,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.35 : 7,806.41 = 4,480.91 : x
  2. Step 2: Convert to fraction form
    5,229.35/7,806.41 = 4,480.91/x
  3. Step 3: Cross multiply
    5,229.35x = 7,806.41 × 4,480.91
  4. Step 4: Simplify right side
    5,229.35x = 34,979,781.60
  5. Step 5: Solve for x
    x = 34,979,781.60/5,229.35
  6. Step 6: Final answer
    x = 6,689.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.