Home / 6,823.44-9,419.52-5,145.56

Finding the Fourth Proportional to 6,823.44, 9,419.52 and 5,145.56

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Solution

The fourth proportional to 6,823.44, 9,419.52 and 5,145.56 is: 7,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.44 : 9,419.52 = 5,145.56 : x
  2. Step 2: Convert to fraction form
    6,823.44/9,419.52 = 5,145.56/x
  3. Step 3: Cross multiply
    6,823.44x = 9,419.52 × 5,145.56
  4. Step 4: Simplify right side
    6,823.44x = 48,468,705.33
  5. Step 5: Solve for x
    x = 48,468,705.33/6,823.44
  6. Step 6: Final answer
    x = 7,103.27

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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.