Home / 4,981.08-6,873.96-2,991.84

Finding the Fourth Proportional to 4,981.08, 6,873.96 and 2,991.84

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Solution

The fourth proportional to 4,981.08, 6,873.96 and 2,991.84 is: 4,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.08 : 6,873.96 = 2,991.84 : x
  2. Step 2: Convert to fraction form
    4,981.08/6,873.96 = 2,991.84/x
  3. Step 3: Cross multiply
    4,981.08x = 6,873.96 × 2,991.84
  4. Step 4: Simplify right side
    4,981.08x = 20,565,788.49
  5. Step 5: Solve for x
    x = 20,565,788.49/4,981.08
  6. Step 6: Final answer
    x = 4,128.78

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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.