Home / 8,438.38-11,644.44-5,082.28

Finding the Fourth Proportional to 8,438.38, 11,644.44 and 5,082.28

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Solution

The fourth proportional to 8,438.38, 11,644.44 and 5,082.28 is: 7,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.38 : 11,644.44 = 5,082.28 : x
  2. Step 2: Convert to fraction form
    8,438.38/11,644.44 = 5,082.28/x
  3. Step 3: Cross multiply
    8,438.38x = 11,644.44 × 5,082.28
  4. Step 4: Simplify right side
    8,438.38x = 59,180,304.52
  5. Step 5: Solve for x
    x = 59,180,304.52/8,438.38
  6. Step 6: Final answer
    x = 7,013.23

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1.5x scale

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.