Home / 6,914.40-10,371.28-2,234.20

Finding the Fourth Proportional to 6,914.40, 10,371.28 and 2,234.20

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Solution

The fourth proportional to 6,914.40, 10,371.28 and 2,234.20 is: 3,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.40 : 10,371.28 = 2,234.20 : x
  2. Step 2: Convert to fraction form
    6,914.40/10,371.28 = 2,234.20/x
  3. Step 3: Cross multiply
    6,914.40x = 10,371.28 × 2,234.20
  4. Step 4: Simplify right side
    6,914.40x = 23,171,513.78
  5. Step 5: Solve for x
    x = 23,171,513.78/6,914.40
  6. Step 6: Final answer
    x = 3,351.20

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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.