Home / 8,102.38-12,150.14-2,554.24

Finding the Fourth Proportional to 8,102.38, 12,150.14 and 2,554.24

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Solution

The fourth proportional to 8,102.38, 12,150.14 and 2,554.24 is: 3,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.38 : 12,150.14 = 2,554.24 : x
  2. Step 2: Convert to fraction form
    8,102.38/12,150.14 = 2,554.24/x
  3. Step 3: Cross multiply
    8,102.38x = 12,150.14 × 2,554.24
  4. Step 4: Simplify right side
    8,102.38x = 31,034,373.59
  5. Step 5: Solve for x
    x = 31,034,373.59/8,102.38
  6. Step 6: Final answer
    x = 3,830.28

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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.