Home / 8,167.02-12,251.88-2,829.90

Finding the Fourth Proportional to 8,167.02, 12,251.88 and 2,829.90

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Solution

The fourth proportional to 8,167.02, 12,251.88 and 2,829.90 is: 4,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.02 : 12,251.88 = 2,829.90 : x
  2. Step 2: Convert to fraction form
    8,167.02/12,251.88 = 2,829.90/x
  3. Step 3: Cross multiply
    8,167.02x = 12,251.88 × 2,829.90
  4. Step 4: Simplify right side
    8,167.02x = 34,671,595.21
  5. Step 5: Solve for x
    x = 34,671,595.21/8,167.02
  6. Step 6: Final answer
    x = 4,245.32

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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.