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Finding the Fourth Proportional to 5,770.85, 8,650.70 and 2,652.99

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Solution

The fourth proportional to 5,770.85, 8,650.70 and 2,652.99 is: 3,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.85 : 8,650.70 = 2,652.99 : x
  2. Step 2: Convert to fraction form
    5,770.85/8,650.70 = 2,652.99/x
  3. Step 3: Cross multiply
    5,770.85x = 8,650.70 × 2,652.99
  4. Step 4: Simplify right side
    5,770.85x = 22,950,184.84
  5. Step 5: Solve for x
    x = 22,950,184.84/5,770.85
  6. Step 6: Final answer
    x = 3,976.92

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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.