Home / 6,122.70-8,449.32-3,328.20

Finding the Fourth Proportional to 6,122.70, 8,449.32 and 3,328.20

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Solution

The fourth proportional to 6,122.70, 8,449.32 and 3,328.20 is: 4,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.70 : 8,449.32 = 3,328.20 : x
  2. Step 2: Convert to fraction form
    6,122.70/8,449.32 = 3,328.20/x
  3. Step 3: Cross multiply
    6,122.70x = 8,449.32 × 3,328.20
  4. Step 4: Simplify right side
    6,122.70x = 28,121,026.82
  5. Step 5: Solve for x
    x = 28,121,026.82/6,122.70
  6. Step 6: Final answer
    x = 4,592.91

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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.