Home / 5,081.20-7,011.98-2,843.04

Finding the Fourth Proportional to 5,081.20, 7,011.98 and 2,843.04

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Solution

The fourth proportional to 5,081.20, 7,011.98 and 2,843.04 is: 3,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.20 : 7,011.98 = 2,843.04 : x
  2. Step 2: Convert to fraction form
    5,081.20/7,011.98 = 2,843.04/x
  3. Step 3: Cross multiply
    5,081.20x = 7,011.98 × 2,843.04
  4. Step 4: Simplify right side
    5,081.20x = 19,935,339.62
  5. Step 5: Solve for x
    x = 19,935,339.62/5,081.20
  6. Step 6: Final answer
    x = 3,923.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.