Home / 7,982.38-11,973.56-2,510.38

Finding the Fourth Proportional to 7,982.38, 11,973.56 and 2,510.38

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Solution

The fourth proportional to 7,982.38, 11,973.56 and 2,510.38 is: 3,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.38 : 11,973.56 = 2,510.38 : x
  2. Step 2: Convert to fraction form
    7,982.38/11,973.56 = 2,510.38/x
  3. Step 3: Cross multiply
    7,982.38x = 11,973.56 × 2,510.38
  4. Step 4: Simplify right side
    7,982.38x = 30,058,185.55
  5. Step 5: Solve for x
    x = 30,058,185.55/7,982.38
  6. Step 6: Final answer
    x = 3,765.57

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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.