Home / 6,122.89-8,449.65-3,328.39

Finding the Fourth Proportional to 6,122.89, 8,449.65 and 3,328.39

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Solution

The fourth proportional to 6,122.89, 8,449.65 and 3,328.39 is: 4,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.89 : 8,449.65 = 3,328.39 : x
  2. Step 2: Convert to fraction form
    6,122.89/8,449.65 = 3,328.39/x
  3. Step 3: Cross multiply
    6,122.89x = 8,449.65 × 3,328.39
  4. Step 4: Simplify right side
    6,122.89x = 28,123,730.56
  5. Step 5: Solve for x
    x = 28,123,730.56/6,122.89
  6. Step 6: Final answer
    x = 4,593.21

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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.