Home / 6,122.80-8,449.36-3,328.28

Finding the Fourth Proportional to 6,122.80, 8,449.36 and 3,328.28

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Solution

The fourth proportional to 6,122.80, 8,449.36 and 3,328.28 is: 4,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.80 : 8,449.36 = 3,328.28 : x
  2. Step 2: Convert to fraction form
    6,122.80/8,449.36 = 3,328.28/x
  3. Step 3: Cross multiply
    6,122.80x = 8,449.36 × 3,328.28
  4. Step 4: Simplify right side
    6,122.80x = 28,121,835.90
  5. Step 5: Solve for x
    x = 28,121,835.90/6,122.80
  6. Step 6: Final answer
    x = 4,592.97

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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.