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Finding the Fourth Proportional to 8,063.84, 12,099.90 and 3,959.84

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Solution

The fourth proportional to 8,063.84, 12,099.90 and 3,959.84 is: 5,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.84 : 12,099.90 = 3,959.84 : x
  2. Step 2: Convert to fraction form
    8,063.84/12,099.90 = 3,959.84/x
  3. Step 3: Cross multiply
    8,063.84x = 12,099.90 × 3,959.84
  4. Step 4: Simplify right side
    8,063.84x = 47,913,668.02
  5. Step 5: Solve for x
    x = 47,913,668.02/8,063.84
  6. Step 6: Final answer
    x = 5,941.79

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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.