Home / 6,669.12-9,995.28-3,383.04

Finding the Fourth Proportional to 6,669.12, 9,995.28 and 3,383.04

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Solution

The fourth proportional to 6,669.12, 9,995.28 and 3,383.04 is: 5,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.12 : 9,995.28 = 3,383.04 : x
  2. Step 2: Convert to fraction form
    6,669.12/9,995.28 = 3,383.04/x
  3. Step 3: Cross multiply
    6,669.12x = 9,995.28 × 3,383.04
  4. Step 4: Simplify right side
    6,669.12x = 33,814,432.05
  5. Step 5: Solve for x
    x = 33,814,432.05/6,669.12
  6. Step 6: Final answer
    x = 5,070.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.