Home / 6,915.70-10,371.34-2,234.71

Finding the Fourth Proportional to 6,915.70, 10,371.34 and 2,234.71

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Solution

The fourth proportional to 6,915.70, 10,371.34 and 2,234.71 is: 3,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.70 : 10,371.34 = 2,234.71 : x
  2. Step 2: Convert to fraction form
    6,915.70/10,371.34 = 2,234.71/x
  3. Step 3: Cross multiply
    6,915.70x = 10,371.34 × 2,234.71
  4. Step 4: Simplify right side
    6,915.70x = 23,176,982.14
  5. Step 5: Solve for x
    x = 23,176,982.14/6,915.70
  6. Step 6: Final answer
    x = 3,351.36

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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.