Home / 4,348.80-6,514.16-2,781.04

Finding the Fourth Proportional to 4,348.80, 6,514.16 and 2,781.04

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Solution

The fourth proportional to 4,348.80, 6,514.16 and 2,781.04 is: 4,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,348.80 : 6,514.16 = 2,781.04 : x
  2. Step 2: Convert to fraction form
    4,348.80/6,514.16 = 2,781.04/x
  3. Step 3: Cross multiply
    4,348.80x = 6,514.16 × 2,781.04
  4. Step 4: Simplify right side
    4,348.80x = 18,116,139.53
  5. Step 5: Solve for x
    x = 18,116,139.53/4,348.80
  6. Step 6: Final answer
    x = 4,165.78

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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.