Home / 6,781.40-9,357.25-3,797.36

Finding the Fourth Proportional to 6,781.40, 9,357.25 and 3,797.36

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Solution

The fourth proportional to 6,781.40, 9,357.25 and 3,797.36 is: 5,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.40 : 9,357.25 = 3,797.36 : x
  2. Step 2: Convert to fraction form
    6,781.40/9,357.25 = 3,797.36/x
  3. Step 3: Cross multiply
    6,781.40x = 9,357.25 × 3,797.36
  4. Step 4: Simplify right side
    6,781.40x = 35,532,846.86
  5. Step 5: Solve for x
    x = 35,532,846.86/6,781.40
  6. Step 6: Final answer
    x = 5,239.75

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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.