Home / 7,671.80-11,522.28-4,770.38

Finding the Fourth Proportional to 7,671.80, 11,522.28 and 4,770.38

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Solution

The fourth proportional to 7,671.80, 11,522.28 and 4,770.38 is: 7,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.80 : 11,522.28 = 4,770.38 : x
  2. Step 2: Convert to fraction form
    7,671.80/11,522.28 = 4,770.38/x
  3. Step 3: Cross multiply
    7,671.80x = 11,522.28 × 4,770.38
  4. Step 4: Simplify right side
    7,671.80x = 54,965,596.46
  5. Step 5: Solve for x
    x = 54,965,596.46/7,671.80
  6. Step 6: Final answer
    x = 7,164.63

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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.