Home / 4,091.04-6,120.72-2,860.56

Finding the Fourth Proportional to 4,091.04, 6,120.72 and 2,860.56

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Solution

The fourth proportional to 4,091.04, 6,120.72 and 2,860.56 is: 4,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.04 : 6,120.72 = 2,860.56 : x
  2. Step 2: Convert to fraction form
    4,091.04/6,120.72 = 2,860.56/x
  3. Step 3: Cross multiply
    4,091.04x = 6,120.72 × 2,860.56
  4. Step 4: Simplify right side
    4,091.04x = 17,508,686.80
  5. Step 5: Solve for x
    x = 17,508,686.80/4,091.04
  6. Step 6: Final answer
    x = 4,279.76

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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.