Home / 4,982.04-6,874.27-2,991.87

Finding the Fourth Proportional to 4,982.04, 6,874.27 and 2,991.87

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Solution

The fourth proportional to 4,982.04, 6,874.27 and 2,991.87 is: 4,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.04 : 6,874.27 = 2,991.87 : x
  2. Step 2: Convert to fraction form
    4,982.04/6,874.27 = 2,991.87/x
  3. Step 3: Cross multiply
    4,982.04x = 6,874.27 × 2,991.87
  4. Step 4: Simplify right side
    4,982.04x = 20,566,914.71
  5. Step 5: Solve for x
    x = 20,566,914.71/4,982.04
  6. Step 6: Final answer
    x = 4,128.21

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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.