Home / 6,747.28-9,308.40-4,093.72

Finding the Fourth Proportional to 6,747.28, 9,308.40 and 4,093.72

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Solution

The fourth proportional to 6,747.28, 9,308.40 and 4,093.72 is: 5,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.28 : 9,308.40 = 4,093.72 : x
  2. Step 2: Convert to fraction form
    6,747.28/9,308.40 = 4,093.72/x
  3. Step 3: Cross multiply
    6,747.28x = 9,308.40 × 4,093.72
  4. Step 4: Simplify right side
    6,747.28x = 38,105,983.25
  5. Step 5: Solve for x
    x = 38,105,983.25/6,747.28
  6. Step 6: Final answer
    x = 5,647.61

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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.