Home / 9,787.25-14,677.80-3,211.91

Finding the Fourth Proportional to 9,787.25, 14,677.80 and 3,211.91

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Solution

The fourth proportional to 9,787.25, 14,677.80 and 3,211.91 is: 4,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.25 : 14,677.80 = 3,211.91 : x
  2. Step 2: Convert to fraction form
    9,787.25/14,677.80 = 3,211.91/x
  3. Step 3: Cross multiply
    9,787.25x = 14,677.80 × 3,211.91
  4. Step 4: Simplify right side
    9,787.25x = 47,143,742.21
  5. Step 5: Solve for x
    x = 47,143,742.21/9,787.25
  6. Step 6: Final answer
    x = 4,816.85

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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.