Home / 6,921.70-9,551.77-4,233.97

Finding the Fourth Proportional to 6,921.70, 9,551.77 and 4,233.97

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Solution

The fourth proportional to 6,921.70, 9,551.77 and 4,233.97 is: 5,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.70 : 9,551.77 = 4,233.97 : x
  2. Step 2: Convert to fraction form
    6,921.70/9,551.77 = 4,233.97/x
  3. Step 3: Cross multiply
    6,921.70x = 9,551.77 × 4,233.97
  4. Step 4: Simplify right side
    6,921.70x = 40,441,932.80
  5. Step 5: Solve for x
    x = 40,441,932.80/6,921.70
  6. Step 6: Final answer
    x = 5,842.77

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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.