Home / 7,204.50-10,787.31-4,079.88

Finding the Fourth Proportional to 7,204.50, 10,787.31 and 4,079.88

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Solution

The fourth proportional to 7,204.50, 10,787.31 and 4,079.88 is: 6,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.50 : 10,787.31 = 4,079.88 : x
  2. Step 2: Convert to fraction form
    7,204.50/10,787.31 = 4,079.88/x
  3. Step 3: Cross multiply
    7,204.50x = 10,787.31 × 4,079.88
  4. Step 4: Simplify right side
    7,204.50x = 44,010,930.32
  5. Step 5: Solve for x
    x = 44,010,930.32/7,204.50
  6. Step 6: Final answer
    x = 6,108.81

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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.