Home / 5,140.62-7,705.08-3,194.16

Finding the Fourth Proportional to 5,140.62, 7,705.08 and 3,194.16

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Solution

The fourth proportional to 5,140.62, 7,705.08 and 3,194.16 is: 4,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.62 : 7,705.08 = 3,194.16 : x
  2. Step 2: Convert to fraction form
    5,140.62/7,705.08 = 3,194.16/x
  3. Step 3: Cross multiply
    5,140.62x = 7,705.08 × 3,194.16
  4. Step 4: Simplify right side
    5,140.62x = 24,611,258.33
  5. Step 5: Solve for x
    x = 24,611,258.33/5,140.62
  6. Step 6: Final answer
    x = 4,787.61

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1.5x scale

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.