Home / 6,515.43-8,991.32-3,531.26

Finding the Fourth Proportional to 6,515.43, 8,991.32 and 3,531.26

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Solution

The fourth proportional to 6,515.43, 8,991.32 and 3,531.26 is: 4,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.43 : 8,991.32 = 3,531.26 : x
  2. Step 2: Convert to fraction form
    6,515.43/8,991.32 = 3,531.26/x
  3. Step 3: Cross multiply
    6,515.43x = 8,991.32 × 3,531.26
  4. Step 4: Simplify right side
    6,515.43x = 31,750,626.05
  5. Step 5: Solve for x
    x = 31,750,626.05/6,515.43
  6. Step 6: Final answer
    x = 4,873.14

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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.