Home / 7,966.80-11,955.60-3,040.56

Finding the Fourth Proportional to 7,966.80, 11,955.60 and 3,040.56

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Solution

The fourth proportional to 7,966.80, 11,955.60 and 3,040.56 is: 4,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.80 : 11,955.60 = 3,040.56 : x
  2. Step 2: Convert to fraction form
    7,966.80/11,955.60 = 3,040.56/x
  3. Step 3: Cross multiply
    7,966.80x = 11,955.60 × 3,040.56
  4. Step 4: Simplify right side
    7,966.80x = 36,351,719.14
  5. Step 5: Solve for x
    x = 36,351,719.14/7,966.80
  6. Step 6: Final answer
    x = 4,562.90

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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.