Home / 4,530.12-6,787.49-2,191.22

Finding the Fourth Proportional to 4,530.12, 6,787.49 and 2,191.22

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Solution

The fourth proportional to 4,530.12, 6,787.49 and 2,191.22 is: 3,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,530.12 : 6,787.49 = 2,191.22 : x
  2. Step 2: Convert to fraction form
    4,530.12/6,787.49 = 2,191.22/x
  3. Step 3: Cross multiply
    4,530.12x = 6,787.49 × 2,191.22
  4. Step 4: Simplify right side
    4,530.12x = 14,872,864.40
  5. Step 5: Solve for x
    x = 14,872,864.40/4,530.12
  6. Step 6: Final answer
    x = 3,283.11

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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.