Home / 8,114.30-12,171.45-3,184.10

Finding the Fourth Proportional to 8,114.30, 12,171.45 and 3,184.10

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Solution

The fourth proportional to 8,114.30, 12,171.45 and 3,184.10 is: 4,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.30 : 12,171.45 = 3,184.10 : x
  2. Step 2: Convert to fraction form
    8,114.30/12,171.45 = 3,184.10/x
  3. Step 3: Cross multiply
    8,114.30x = 12,171.45 × 3,184.10
  4. Step 4: Simplify right side
    8,114.30x = 38,755,113.95
  5. Step 5: Solve for x
    x = 38,755,113.95/8,114.30
  6. Step 6: Final answer
    x = 4,776.15

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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.