Home / 6,343.66-8,757.30-4,222.72

Finding the Fourth Proportional to 6,343.66, 8,757.30 and 4,222.72

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Solution

The fourth proportional to 6,343.66, 8,757.30 and 4,222.72 is: 5,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.66 : 8,757.30 = 4,222.72 : x
  2. Step 2: Convert to fraction form
    6,343.66/8,757.30 = 4,222.72/x
  3. Step 3: Cross multiply
    6,343.66x = 8,757.30 × 4,222.72
  4. Step 4: Simplify right side
    6,343.66x = 36,979,625.86
  5. Step 5: Solve for x
    x = 36,979,625.86/6,343.66
  6. Step 6: Final answer
    x = 5,829.38

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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.