Home / 7,816.50-11,716.10-3,433.38

Finding the Fourth Proportional to 7,816.50, 11,716.10 and 3,433.38

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Solution

The fourth proportional to 7,816.50, 11,716.10 and 3,433.38 is: 5,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.50 : 11,716.10 = 3,433.38 : x
  2. Step 2: Convert to fraction form
    7,816.50/11,716.10 = 3,433.38/x
  3. Step 3: Cross multiply
    7,816.50x = 11,716.10 × 3,433.38
  4. Step 4: Simplify right side
    7,816.50x = 40,225,823.42
  5. Step 5: Solve for x
    x = 40,225,823.42/7,816.50
  6. Step 6: Final answer
    x = 5,146.27

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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.