Home / 6,648.89-9,175.41-3,664.85

Finding the Fourth Proportional to 6,648.89, 9,175.41 and 3,664.85

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Solution

The fourth proportional to 6,648.89, 9,175.41 and 3,664.85 is: 5,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.89 : 9,175.41 = 3,664.85 : x
  2. Step 2: Convert to fraction form
    6,648.89/9,175.41 = 3,664.85/x
  3. Step 3: Cross multiply
    6,648.89x = 9,175.41 × 3,664.85
  4. Step 4: Simplify right side
    6,648.89x = 33,626,455.46
  5. Step 5: Solve for x
    x = 33,626,455.46/6,648.89
  6. Step 6: Final answer
    x = 5,057.46

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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.