Home / 7,816.97-10,787.42-4,231.96

Finding the Fourth Proportional to 7,816.97, 10,787.42 and 4,231.96

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Solution

The fourth proportional to 7,816.97, 10,787.42 and 4,231.96 is: 5,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.97 : 10,787.42 = 4,231.96 : x
  2. Step 2: Convert to fraction form
    7,816.97/10,787.42 = 4,231.96/x
  3. Step 3: Cross multiply
    7,816.97x = 10,787.42 × 4,231.96
  4. Step 4: Simplify right side
    7,816.97x = 45,651,891.62
  5. Step 5: Solve for x
    x = 45,651,891.62/7,816.97
  6. Step 6: Final answer
    x = 5,840.10

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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.