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Finding the Fourth Proportional to 6,217.68, 9,329.68 and 3,443.80

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Solution

The fourth proportional to 6,217.68, 9,329.68 and 3,443.80 is: 5,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.68 : 9,329.68 = 3,443.80 : x
  2. Step 2: Convert to fraction form
    6,217.68/9,329.68 = 3,443.80/x
  3. Step 3: Cross multiply
    6,217.68x = 9,329.68 × 3,443.80
  4. Step 4: Simplify right side
    6,217.68x = 32,129,551.98
  5. Step 5: Solve for x
    x = 32,129,551.98/6,217.68
  6. Step 6: Final answer
    x = 5,167.45

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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.