Home / 7,429.80-11,144.67-1,883.12

Finding the Fourth Proportional to 7,429.80, 11,144.67 and 1,883.12

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Solution

The fourth proportional to 7,429.80, 11,144.67 and 1,883.12 is: 2,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.80 : 11,144.67 = 1,883.12 : x
  2. Step 2: Convert to fraction form
    7,429.80/11,144.67 = 1,883.12/x
  3. Step 3: Cross multiply
    7,429.80x = 11,144.67 × 1,883.12
  4. Step 4: Simplify right side
    7,429.80x = 20,986,778.83
  5. Step 5: Solve for x
    x = 20,986,778.83/7,429.80
  6. Step 6: Final answer
    x = 2,824.68

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Similar ratio
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1.5x scale

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.