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Finding the Fourth Proportional to 5,500.95, 8,252.63 and 1,605.66

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Solution

The fourth proportional to 5,500.95, 8,252.63 and 1,605.66 is: 2,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.95 : 8,252.63 = 1,605.66 : x
  2. Step 2: Convert to fraction form
    5,500.95/8,252.63 = 1,605.66/x
  3. Step 3: Cross multiply
    5,500.95x = 8,252.63 × 1,605.66
  4. Step 4: Simplify right side
    5,500.95x = 13,250,893.96
  5. Step 5: Solve for x
    x = 13,250,893.96/5,500.95
  6. Step 6: Final answer
    x = 2,408.84

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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.