Home / 5,781.12-8,671.41-1,885.02

Finding the Fourth Proportional to 5,781.12, 8,671.41 and 1,885.02

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Solution

The fourth proportional to 5,781.12, 8,671.41 and 1,885.02 is: 2,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.12 : 8,671.41 = 1,885.02 : x
  2. Step 2: Convert to fraction form
    5,781.12/8,671.41 = 1,885.02/x
  3. Step 3: Cross multiply
    5,781.12x = 8,671.41 × 1,885.02
  4. Step 4: Simplify right side
    5,781.12x = 16,345,781.28
  5. Step 5: Solve for x
    x = 16,345,781.28/5,781.12
  6. Step 6: Final answer
    x = 2,827.44

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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.