Home / 4,991.71-6,886.33-2,894.62

Finding the Fourth Proportional to 4,991.71, 6,886.33 and 2,894.62

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Solution

The fourth proportional to 4,991.71, 6,886.33 and 2,894.62 is: 3,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.71 : 6,886.33 = 2,894.62 : x
  2. Step 2: Convert to fraction form
    4,991.71/6,886.33 = 2,894.62/x
  3. Step 3: Cross multiply
    4,991.71x = 6,886.33 × 2,894.62
  4. Step 4: Simplify right side
    4,991.71x = 19,933,308.54
  5. Step 5: Solve for x
    x = 19,933,308.54/4,991.71
  6. Step 6: Final answer
    x = 3,993.28

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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.