Home / 6,552.75-9,042.70-3,900.09

Finding the Fourth Proportional to 6,552.75, 9,042.70 and 3,900.09

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Solution

The fourth proportional to 6,552.75, 9,042.70 and 3,900.09 is: 5,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,552.75 : 9,042.70 = 3,900.09 : x
  2. Step 2: Convert to fraction form
    6,552.75/9,042.70 = 3,900.09/x
  3. Step 3: Cross multiply
    6,552.75x = 9,042.70 × 3,900.09
  4. Step 4: Simplify right side
    6,552.75x = 35,267,343.84
  5. Step 5: Solve for x
    x = 35,267,343.84/6,552.75
  6. Step 6: Final answer
    x = 5,382.07

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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.