Home / 8,272.28-11,415.75-4,546.28

Finding the Fourth Proportional to 8,272.28, 11,415.75 and 4,546.28

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Solution

The fourth proportional to 8,272.28, 11,415.75 and 4,546.28 is: 6,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.28 : 11,415.75 = 4,546.28 : x
  2. Step 2: Convert to fraction form
    8,272.28/11,415.75 = 4,546.28/x
  3. Step 3: Cross multiply
    8,272.28x = 11,415.75 × 4,546.28
  4. Step 4: Simplify right side
    8,272.28x = 51,899,195.91
  5. Step 5: Solve for x
    x = 51,899,195.91/8,272.28
  6. Step 6: Final answer
    x = 6,273.87

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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.