Home / 7,974.59-11,932.62-6,655.08

Finding the Fourth Proportional to 7,974.59, 11,932.62 and 6,655.08

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Solution

The fourth proportional to 7,974.59, 11,932.62 and 6,655.08 is: 9,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.59 : 11,932.62 = 6,655.08 : x
  2. Step 2: Convert to fraction form
    7,974.59/11,932.62 = 6,655.08/x
  3. Step 3: Cross multiply
    7,974.59x = 11,932.62 × 6,655.08
  4. Step 4: Simplify right side
    7,974.59x = 79,412,557.35
  5. Step 5: Solve for x
    x = 79,412,557.35/7,974.59
  6. Step 6: Final answer
    x = 9,958.21

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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.