Home / 7,612.05-11,417.94-3,912.12

Finding the Fourth Proportional to 7,612.05, 11,417.94 and 3,912.12

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Solution

The fourth proportional to 7,612.05, 11,417.94 and 3,912.12 is: 5,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.05 : 11,417.94 = 3,912.12 : x
  2. Step 2: Convert to fraction form
    7,612.05/11,417.94 = 3,912.12/x
  3. Step 3: Cross multiply
    7,612.05x = 11,417.94 × 3,912.12
  4. Step 4: Simplify right side
    7,612.05x = 44,668,351.43
  5. Step 5: Solve for x
    x = 44,668,351.43/7,612.05
  6. Step 6: Final answer
    x = 5,868.11

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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.