Home / 7,898.79-11,849.27-3,516.15

Finding the Fourth Proportional to 7,898.79, 11,849.27 and 3,516.15

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Solution

The fourth proportional to 7,898.79, 11,849.27 and 3,516.15 is: 5,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.79 : 11,849.27 = 3,516.15 : x
  2. Step 2: Convert to fraction form
    7,898.79/11,849.27 = 3,516.15/x
  3. Step 3: Cross multiply
    7,898.79x = 11,849.27 × 3,516.15
  4. Step 4: Simplify right side
    7,898.79x = 41,663,793.13
  5. Step 5: Solve for x
    x = 41,663,793.13/7,898.79
  6. Step 6: Final answer
    x = 5,274.71

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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.