Home / 8,396.76-11,589.30-6,729.24

Finding the Fourth Proportional to 8,396.76, 11,589.30 and 6,729.24

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Solution

The fourth proportional to 8,396.76, 11,589.30 and 6,729.24 is: 9,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.76 : 11,589.30 = 6,729.24 : x
  2. Step 2: Convert to fraction form
    8,396.76/11,589.30 = 6,729.24/x
  3. Step 3: Cross multiply
    8,396.76x = 11,589.30 × 6,729.24
  4. Step 4: Simplify right side
    8,396.76x = 77,987,181.13
  5. Step 5: Solve for x
    x = 77,987,181.13/8,396.76
  6. Step 6: Final answer
    x = 9,287.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.