Home / 5,120.38-7,676.08-4,250.10

Finding the Fourth Proportional to 5,120.38, 7,676.08 and 4,250.10

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Solution

The fourth proportional to 5,120.38, 7,676.08 and 4,250.10 is: 6,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.38 : 7,676.08 = 4,250.10 : x
  2. Step 2: Convert to fraction form
    5,120.38/7,676.08 = 4,250.10/x
  3. Step 3: Cross multiply
    5,120.38x = 7,676.08 × 4,250.10
  4. Step 4: Simplify right side
    5,120.38x = 32,624,107.61
  5. Step 5: Solve for x
    x = 32,624,107.61/5,120.38
  6. Step 6: Final answer
    x = 6,371.42

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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.