Home / 6,740.70-10,103.85-2,579.10

Finding the Fourth Proportional to 6,740.70, 10,103.85 and 2,579.10

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Solution

The fourth proportional to 6,740.70, 10,103.85 and 2,579.10 is: 3,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.70 : 10,103.85 = 2,579.10 : x
  2. Step 2: Convert to fraction form
    6,740.70/10,103.85 = 2,579.10/x
  3. Step 3: Cross multiply
    6,740.70x = 10,103.85 × 2,579.10
  4. Step 4: Simplify right side
    6,740.70x = 26,058,839.54
  5. Step 5: Solve for x
    x = 26,058,839.54/6,740.70
  6. Step 6: Final answer
    x = 3,865.90

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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.