Home / 5,005.91-6,908.56-2,882.12

Finding the Fourth Proportional to 5,005.91, 6,908.56 and 2,882.12

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Solution

The fourth proportional to 5,005.91, 6,908.56 and 2,882.12 is: 3,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.91 : 6,908.56 = 2,882.12 : x
  2. Step 2: Convert to fraction form
    5,005.91/6,908.56 = 2,882.12/x
  3. Step 3: Cross multiply
    5,005.91x = 6,908.56 × 2,882.12
  4. Step 4: Simplify right side
    5,005.91x = 19,911,257.20
  5. Step 5: Solve for x
    x = 19,911,257.20/5,005.91
  6. Step 6: Final answer
    x = 3,977.55

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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.