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Finding the Fourth Proportional to 4,872.50, 6,725.13 and 3,362.18

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Solution

The fourth proportional to 4,872.50, 6,725.13 and 3,362.18 is: 4,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.50 : 6,725.13 = 3,362.18 : x
  2. Step 2: Convert to fraction form
    4,872.50/6,725.13 = 3,362.18/x
  3. Step 3: Cross multiply
    4,872.50x = 6,725.13 × 3,362.18
  4. Step 4: Simplify right side
    4,872.50x = 22,611,097.58
  5. Step 5: Solve for x
    x = 22,611,097.58/4,872.50
  6. Step 6: Final answer
    x = 4,640.55

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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.