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Finding the Fourth Proportional to 8,149.77, 12,228.30 and 3,764.88

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Solution

The fourth proportional to 8,149.77, 12,228.30 and 3,764.88 is: 5,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.77 : 12,228.30 = 3,764.88 : x
  2. Step 2: Convert to fraction form
    8,149.77/12,228.30 = 3,764.88/x
  3. Step 3: Cross multiply
    8,149.77x = 12,228.30 × 3,764.88
  4. Step 4: Simplify right side
    8,149.77x = 46,038,082.10
  5. Step 5: Solve for x
    x = 46,038,082.10/8,149.77
  6. Step 6: Final answer
    x = 5,649.00

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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.