Home / 7,169.46-10,751.40-2,488.20

Finding the Fourth Proportional to 7,169.46, 10,751.40 and 2,488.20

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Solution

The fourth proportional to 7,169.46, 10,751.40 and 2,488.20 is: 3,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.46 : 10,751.40 = 2,488.20 : x
  2. Step 2: Convert to fraction form
    7,169.46/10,751.40 = 2,488.20/x
  3. Step 3: Cross multiply
    7,169.46x = 10,751.40 × 2,488.20
  4. Step 4: Simplify right side
    7,169.46x = 26,751,633.48
  5. Step 5: Solve for x
    x = 26,751,633.48/7,169.46
  6. Step 6: Final answer
    x = 3,731.33

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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.