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Finding the Fourth Proportional to 8,627.99, 12,941.98 and 2,785.46

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Solution

The fourth proportional to 8,627.99, 12,941.98 and 2,785.46 is: 4,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.99 : 12,941.98 = 2,785.46 : x
  2. Step 2: Convert to fraction form
    8,627.99/12,941.98 = 2,785.46/x
  3. Step 3: Cross multiply
    8,627.99x = 12,941.98 × 2,785.46
  4. Step 4: Simplify right side
    8,627.99x = 36,049,295.94
  5. Step 5: Solve for x
    x = 36,049,295.94/8,627.99
  6. Step 6: Final answer
    x = 4,178.18

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Similar ratio
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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.