Home / 3,864.11-5,755.46-3,783.11

Finding the Fourth Proportional to 3,864.11, 5,755.46 and 3,783.11

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Solution

The fourth proportional to 3,864.11, 5,755.46 and 3,783.11 is: 5,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.11 : 5,755.46 = 3,783.11 : x
  2. Step 2: Convert to fraction form
    3,864.11/5,755.46 = 3,783.11/x
  3. Step 3: Cross multiply
    3,864.11x = 5,755.46 × 3,783.11
  4. Step 4: Simplify right side
    3,864.11x = 21,773,490.59
  5. Step 5: Solve for x
    x = 21,773,490.59/3,864.11
  6. Step 6: Final answer
    x = 5,634.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.