Home / 7,816.47-11,723.45-3,433.11

Finding the Fourth Proportional to 7,816.47, 11,723.45 and 3,433.11

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Solution

The fourth proportional to 7,816.47, 11,723.45 and 3,433.11 is: 5,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.47 : 11,723.45 = 3,433.11 : x
  2. Step 2: Convert to fraction form
    7,816.47/11,723.45 = 3,433.11/x
  3. Step 3: Cross multiply
    7,816.47x = 11,723.45 × 3,433.11
  4. Step 4: Simplify right side
    7,816.47x = 40,247,876.26
  5. Step 5: Solve for x
    x = 40,247,876.26/7,816.47
  6. Step 6: Final answer
    x = 5,149.11

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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.