Home / 7,966.80-11,945.70-3,036.60

Finding the Fourth Proportional to 7,966.80, 11,945.70 and 3,036.60

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Solution

The fourth proportional to 7,966.80, 11,945.70 and 3,036.60 is: 4,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.80 : 11,945.70 = 3,036.60 : x
  2. Step 2: Convert to fraction form
    7,966.80/11,945.70 = 3,036.60/x
  3. Step 3: Cross multiply
    7,966.80x = 11,945.70 × 3,036.60
  4. Step 4: Simplify right side
    7,966.80x = 36,274,312.62
  5. Step 5: Solve for x
    x = 36,274,312.62/7,966.80
  6. Step 6: Final answer
    x = 4,553.18

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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.