Home / 7,787.27-11,682.69-2,240.66

Finding the Fourth Proportional to 7,787.27, 11,682.69 and 2,240.66

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Solution

The fourth proportional to 7,787.27, 11,682.69 and 2,240.66 is: 3,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.27 : 11,682.69 = 2,240.66 : x
  2. Step 2: Convert to fraction form
    7,787.27/11,682.69 = 2,240.66/x
  3. Step 3: Cross multiply
    7,787.27x = 11,682.69 × 2,240.66
  4. Step 4: Simplify right side
    7,787.27x = 26,176,936.18
  5. Step 5: Solve for x
    x = 26,176,936.18/7,787.27
  6. Step 6: Final answer
    x = 3,361.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.