Home / 7,540.01-11,304.81-3,321.21

Finding the Fourth Proportional to 7,540.01, 11,304.81 and 3,321.21

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Solution

The fourth proportional to 7,540.01, 11,304.81 and 3,321.21 is: 4,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.01 : 11,304.81 = 3,321.21 : x
  2. Step 2: Convert to fraction form
    7,540.01/11,304.81 = 3,321.21/x
  3. Step 3: Cross multiply
    7,540.01x = 11,304.81 × 3,321.21
  4. Step 4: Simplify right side
    7,540.01x = 37,545,648.02
  5. Step 5: Solve for x
    x = 37,545,648.02/7,540.01
  6. Step 6: Final answer
    x = 4,979.53

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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.