Home / 6,342.00-8,754.28-3,824.21

Finding the Fourth Proportional to 6,342.00, 8,754.28 and 3,824.21

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Solution

The fourth proportional to 6,342.00, 8,754.28 and 3,824.21 is: 5,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.00 : 8,754.28 = 3,824.21 : x
  2. Step 2: Convert to fraction form
    6,342.00/8,754.28 = 3,824.21/x
  3. Step 3: Cross multiply
    6,342.00x = 8,754.28 × 3,824.21
  4. Step 4: Simplify right side
    6,342.00x = 33,478,217.44
  5. Step 5: Solve for x
    x = 33,478,217.44/6,342.00
  6. Step 6: Final answer
    x = 5,278.81

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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.