Home / 5,281.20-7,287.06-3,043.08

Finding the Fourth Proportional to 5,281.20, 7,287.06 and 3,043.08

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Solution

The fourth proportional to 5,281.20, 7,287.06 and 3,043.08 is: 4,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.20 : 7,287.06 = 3,043.08 : x
  2. Step 2: Convert to fraction form
    5,281.20/7,287.06 = 3,043.08/x
  3. Step 3: Cross multiply
    5,281.20x = 7,287.06 × 3,043.08
  4. Step 4: Simplify right side
    5,281.20x = 22,175,106.54
  5. Step 5: Solve for x
    x = 22,175,106.54/5,281.20
  6. Step 6: Final answer
    x = 4,198.88

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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.