Home / 8,770.33-12,105.26-5,631.98

Finding the Fourth Proportional to 8,770.33, 12,105.26 and 5,631.98

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Solution

The fourth proportional to 8,770.33, 12,105.26 and 5,631.98 is: 7,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.33 : 12,105.26 = 5,631.98 : x
  2. Step 2: Convert to fraction form
    8,770.33/12,105.26 = 5,631.98/x
  3. Step 3: Cross multiply
    8,770.33x = 12,105.26 × 5,631.98
  4. Step 4: Simplify right side
    8,770.33x = 68,176,605.44
  5. Step 5: Solve for x
    x = 68,176,605.44/8,770.33
  6. Step 6: Final answer
    x = 7,773.55

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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.