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Finding the Fourth Proportional to 6,344.32, 8,754.98 and 3,511.80

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Solution

The fourth proportional to 6,344.32, 8,754.98 and 3,511.80 is: 4,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.32 : 8,754.98 = 3,511.80 : x
  2. Step 2: Convert to fraction form
    6,344.32/8,754.98 = 3,511.80/x
  3. Step 3: Cross multiply
    6,344.32x = 8,754.98 × 3,511.80
  4. Step 4: Simplify right side
    6,344.32x = 30,745,738.76
  5. Step 5: Solve for x
    x = 30,745,738.76/6,344.32
  6. Step 6: Final answer
    x = 4,846.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.