Home / 8,261.91-12,396.51-3,882.51

Finding the Fourth Proportional to 8,261.91, 12,396.51 and 3,882.51

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Solution

The fourth proportional to 8,261.91, 12,396.51 and 3,882.51 is: 5,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.91 : 12,396.51 = 3,882.51 : x
  2. Step 2: Convert to fraction form
    8,261.91/12,396.51 = 3,882.51/x
  3. Step 3: Cross multiply
    8,261.91x = 12,396.51 × 3,882.51
  4. Step 4: Simplify right side
    8,261.91x = 48,129,574.04
  5. Step 5: Solve for x
    x = 48,129,574.04/8,261.91
  6. Step 6: Final answer
    x = 5,825.48

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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.