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Finding the Fourth Proportional to 6,841.74, 10,264.77 and 2,947.98

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Solution

The fourth proportional to 6,841.74, 10,264.77 and 2,947.98 is: 4,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.74 : 10,264.77 = 2,947.98 : x
  2. Step 2: Convert to fraction form
    6,841.74/10,264.77 = 2,947.98/x
  3. Step 3: Cross multiply
    6,841.74x = 10,264.77 × 2,947.98
  4. Step 4: Simplify right side
    6,841.74x = 30,260,336.66
  5. Step 5: Solve for x
    x = 30,260,336.66/6,841.74
  6. Step 6: Final answer
    x = 4,422.90

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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.