Home / 5,907.32-8,149.38-3,812.12

Finding the Fourth Proportional to 5,907.32, 8,149.38 and 3,812.12

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Solution

The fourth proportional to 5,907.32, 8,149.38 and 3,812.12 is: 5,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.32 : 8,149.38 = 3,812.12 : x
  2. Step 2: Convert to fraction form
    5,907.32/8,149.38 = 3,812.12/x
  3. Step 3: Cross multiply
    5,907.32x = 8,149.38 × 3,812.12
  4. Step 4: Simplify right side
    5,907.32x = 31,066,414.49
  5. Step 5: Solve for x
    x = 31,066,414.49/5,907.32
  6. Step 6: Final answer
    x = 5,258.97

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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.