Home / 5,781.04-7,974.08-3,542.12

Finding the Fourth Proportional to 5,781.04, 7,974.08 and 3,542.12

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Solution

The fourth proportional to 5,781.04, 7,974.08 and 3,542.12 is: 4,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.04 : 7,974.08 = 3,542.12 : x
  2. Step 2: Convert to fraction form
    5,781.04/7,974.08 = 3,542.12/x
  3. Step 3: Cross multiply
    5,781.04x = 7,974.08 × 3,542.12
  4. Step 4: Simplify right side
    5,781.04x = 28,245,148.25
  5. Step 5: Solve for x
    x = 28,245,148.25/5,781.04
  6. Step 6: Final answer
    x = 4,885.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.