Home / 6,515.55-8,991.44-3,531.37

Finding the Fourth Proportional to 6,515.55, 8,991.44 and 3,531.37

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Solution

The fourth proportional to 6,515.55, 8,991.44 and 3,531.37 is: 4,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.55 : 8,991.44 = 3,531.37 : x
  2. Step 2: Convert to fraction form
    6,515.55/8,991.44 = 3,531.37/x
  3. Step 3: Cross multiply
    6,515.55x = 8,991.44 × 3,531.37
  4. Step 4: Simplify right side
    6,515.55x = 31,752,101.47
  5. Step 5: Solve for x
    x = 31,752,101.47/6,515.55
  6. Step 6: Final answer
    x = 4,873.28

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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.