Home / 6,722.66-10,099.49-4,231.61

Finding the Fourth Proportional to 6,722.66, 10,099.49 and 4,231.61

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Solution

The fourth proportional to 6,722.66, 10,099.49 and 4,231.61 is: 6,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.66 : 10,099.49 = 4,231.61 : x
  2. Step 2: Convert to fraction form
    6,722.66/10,099.49 = 4,231.61/x
  3. Step 3: Cross multiply
    6,722.66x = 10,099.49 × 4,231.61
  4. Step 4: Simplify right side
    6,722.66x = 42,737,069.10
  5. Step 5: Solve for x
    x = 42,737,069.10/6,722.66
  6. Step 6: Final answer
    x = 6,357.16

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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.