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Finding the Fourth Proportional to 6,599.98, 9,899.27 and 3,478.73

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Solution

The fourth proportional to 6,599.98, 9,899.27 and 3,478.73 is: 5,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.98 : 9,899.27 = 3,478.73 : x
  2. Step 2: Convert to fraction form
    6,599.98/9,899.27 = 3,478.73/x
  3. Step 3: Cross multiply
    6,599.98x = 9,899.27 × 3,478.73
  4. Step 4: Simplify right side
    6,599.98x = 34,436,870.13
  5. Step 5: Solve for x
    x = 34,436,870.13/6,599.98
  6. Step 6: Final answer
    x = 5,217.73

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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.