Home / 6,960.78-10,440.21-2,517.96

Finding the Fourth Proportional to 6,960.78, 10,440.21 and 2,517.96

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Solution

The fourth proportional to 6,960.78, 10,440.21 and 2,517.96 is: 3,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.78 : 10,440.21 = 2,517.96 : x
  2. Step 2: Convert to fraction form
    6,960.78/10,440.21 = 2,517.96/x
  3. Step 3: Cross multiply
    6,960.78x = 10,440.21 × 2,517.96
  4. Step 4: Simplify right side
    6,960.78x = 26,288,031.17
  5. Step 5: Solve for x
    x = 26,288,031.17/6,960.78
  6. Step 6: Final answer
    x = 3,776.59

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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.