Home / 5,781.12-8,671.14-2,493.60

Finding the Fourth Proportional to 5,781.12, 8,671.14 and 2,493.60

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Solution

The fourth proportional to 5,781.12, 8,671.14 and 2,493.60 is: 3,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.12 : 8,671.14 = 2,493.60 : x
  2. Step 2: Convert to fraction form
    5,781.12/8,671.14 = 2,493.60/x
  3. Step 3: Cross multiply
    5,781.12x = 8,671.14 × 2,493.60
  4. Step 4: Simplify right side
    5,781.12x = 21,622,354.70
  5. Step 5: Solve for x
    x = 21,622,354.70/5,781.12
  6. Step 6: Final answer
    x = 3,740.17

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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.