Home / 7,970.80-11,961.60-3,044.56

Finding the Fourth Proportional to 7,970.80, 11,961.60 and 3,044.56

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Solution

The fourth proportional to 7,970.80, 11,961.60 and 3,044.56 is: 4,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.80 : 11,961.60 = 3,044.56 : x
  2. Step 2: Convert to fraction form
    7,970.80/11,961.60 = 3,044.56/x
  3. Step 3: Cross multiply
    7,970.80x = 11,961.60 × 3,044.56
  4. Step 4: Simplify right side
    7,970.80x = 36,417,808.90
  5. Step 5: Solve for x
    x = 36,417,808.90/7,970.80
  6. Step 6: Final answer
    x = 4,568.90

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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.