Home / 4,890.82-6,747.56-3,213.13

Finding the Fourth Proportional to 4,890.82, 6,747.56 and 3,213.13

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Solution

The fourth proportional to 4,890.82, 6,747.56 and 3,213.13 is: 4,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.82 : 6,747.56 = 3,213.13 : x
  2. Step 2: Convert to fraction form
    4,890.82/6,747.56 = 3,213.13/x
  3. Step 3: Cross multiply
    4,890.82x = 6,747.56 × 3,213.13
  4. Step 4: Simplify right side
    4,890.82x = 21,680,787.46
  5. Step 5: Solve for x
    x = 21,680,787.46/4,890.82
  6. Step 6: Final answer
    x = 4,432.96

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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.