Home / 5,246.92-7,868.70-2,127.71

Finding the Fourth Proportional to 5,246.92, 7,868.70 and 2,127.71

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Solution

The fourth proportional to 5,246.92, 7,868.70 and 2,127.71 is: 3,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.92 : 7,868.70 = 2,127.71 : x
  2. Step 2: Convert to fraction form
    5,246.92/7,868.70 = 2,127.71/x
  3. Step 3: Cross multiply
    5,246.92x = 7,868.70 × 2,127.71
  4. Step 4: Simplify right side
    5,246.92x = 16,742,272.33
  5. Step 5: Solve for x
    x = 16,742,272.33/5,246.92
  6. Step 6: Final answer
    x = 3,190.88

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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.