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Finding the Fourth Proportional to 4,017.92, 6,026.87 and 2,639.97

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Solution

The fourth proportional to 4,017.92, 6,026.87 and 2,639.97 is: 3,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.92 : 6,026.87 = 2,639.97 : x
  2. Step 2: Convert to fraction form
    4,017.92/6,026.87 = 2,639.97/x
  3. Step 3: Cross multiply
    4,017.92x = 6,026.87 × 2,639.97
  4. Step 4: Simplify right side
    4,017.92x = 15,910,762.59
  5. Step 5: Solve for x
    x = 15,910,762.59/4,017.92
  6. Step 6: Final answer
    x = 3,959.96

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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.