Home / 4,381.25-6,568.32-2,991.08

Finding the Fourth Proportional to 4,381.25, 6,568.32 and 2,991.08

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Solution

The fourth proportional to 4,381.25, 6,568.32 and 2,991.08 is: 4,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.25 : 6,568.32 = 2,991.08 : x
  2. Step 2: Convert to fraction form
    4,381.25/6,568.32 = 2,991.08/x
  3. Step 3: Cross multiply
    4,381.25x = 6,568.32 × 2,991.08
  4. Step 4: Simplify right side
    4,381.25x = 19,646,370.59
  5. Step 5: Solve for x
    x = 19,646,370.59/4,381.25
  6. Step 6: Final answer
    x = 4,484.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.