Home / 6,960.13-10,440.80-1,766

Finding the Fourth Proportional to 6,960.13, 10,440.80 and 1,766

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Solution

The fourth proportional to 6,960.13, 10,440.80 and 1,766 is: 2,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.13 : 10,440.80 = 1,766 : x
  2. Step 2: Convert to fraction form
    6,960.13/10,440.80 = 1,766/x
  3. Step 3: Cross multiply
    6,960.13x = 10,440.80 × 1,766
  4. Step 4: Simplify right side
    6,960.13x = 18,438,452.80
  5. Step 5: Solve for x
    x = 18,438,452.80/6,960.13
  6. Step 6: Final answer
    x = 2,649.15

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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.