Home / 8,219.97-11,343.24-4,862.88

Finding the Fourth Proportional to 8,219.97, 11,343.24 and 4,862.88

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Solution

The fourth proportional to 8,219.97, 11,343.24 and 4,862.88 is: 6,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.97 : 11,343.24 = 4,862.88 : x
  2. Step 2: Convert to fraction form
    8,219.97/11,343.24 = 4,862.88/x
  3. Step 3: Cross multiply
    8,219.97x = 11,343.24 × 4,862.88
  4. Step 4: Simplify right side
    8,219.97x = 55,160,814.93
  5. Step 5: Solve for x
    x = 55,160,814.93/8,219.97
  6. Step 6: Final answer
    x = 6,710.59

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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.