Home / 5,005.72-6,908.41-2,881.33

Finding the Fourth Proportional to 5,005.72, 6,908.41 and 2,881.33

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Solution

The fourth proportional to 5,005.72, 6,908.41 and 2,881.33 is: 3,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.72 : 6,908.41 = 2,881.33 : x
  2. Step 2: Convert to fraction form
    5,005.72/6,908.41 = 2,881.33/x
  3. Step 3: Cross multiply
    5,005.72x = 6,908.41 × 2,881.33
  4. Step 4: Simplify right side
    5,005.72x = 19,905,451.99
  5. Step 5: Solve for x
    x = 19,905,451.99/5,005.72
  6. Step 6: Final answer
    x = 3,976.54

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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.