Home / 7,943.04-11,913.96-2,099.76

Finding the Fourth Proportional to 7,943.04, 11,913.96 and 2,099.76

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Solution

The fourth proportional to 7,943.04, 11,913.96 and 2,099.76 is: 3,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.04 : 11,913.96 = 2,099.76 : x
  2. Step 2: Convert to fraction form
    7,943.04/11,913.96 = 2,099.76/x
  3. Step 3: Cross multiply
    7,943.04x = 11,913.96 × 2,099.76
  4. Step 4: Simplify right side
    7,943.04x = 25,016,456.65
  5. Step 5: Solve for x
    x = 25,016,456.65/7,943.04
  6. Step 6: Final answer
    x = 3,149.48

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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.