Home / 5,119.62-7,680.51-2,522.22

Finding the Fourth Proportional to 5,119.62, 7,680.51 and 2,522.22

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Solution

The fourth proportional to 5,119.62, 7,680.51 and 2,522.22 is: 3,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.62 : 7,680.51 = 2,522.22 : x
  2. Step 2: Convert to fraction form
    5,119.62/7,680.51 = 2,522.22/x
  3. Step 3: Cross multiply
    5,119.62x = 7,680.51 × 2,522.22
  4. Step 4: Simplify right side
    5,119.62x = 19,371,935.93
  5. Step 5: Solve for x
    x = 19,371,935.93/5,119.62
  6. Step 6: Final answer
    x = 3,783.86

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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.