Home / 9,787.75-14,683.79-3,631.75

Finding the Fourth Proportional to 9,787.75, 14,683.79 and 3,631.75

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Solution

The fourth proportional to 9,787.75, 14,683.79 and 3,631.75 is: 5,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.75 : 14,683.79 = 3,631.75 : x
  2. Step 2: Convert to fraction form
    9,787.75/14,683.79 = 3,631.75/x
  3. Step 3: Cross multiply
    9,787.75x = 14,683.79 × 3,631.75
  4. Step 4: Simplify right side
    9,787.75x = 53,327,836.17
  5. Step 5: Solve for x
    x = 53,327,836.17/9,787.75
  6. Step 6: Final answer
    x = 5,448.43

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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.