Home / 5,005.87-6,908.61-2,881.48

Finding the Fourth Proportional to 5,005.87, 6,908.61 and 2,881.48

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Solution

The fourth proportional to 5,005.87, 6,908.61 and 2,881.48 is: 3,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.87 : 6,908.61 = 2,881.48 : x
  2. Step 2: Convert to fraction form
    5,005.87/6,908.61 = 2,881.48/x
  3. Step 3: Cross multiply
    5,005.87x = 6,908.61 × 2,881.48
  4. Step 4: Simplify right side
    5,005.87x = 19,907,004.27
  5. Step 5: Solve for x
    x = 19,907,004.27/5,005.87
  6. Step 6: Final answer
    x = 3,976.73

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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.