Home / 5,515.75-8,271.03-2,003.31

Finding the Fourth Proportional to 5,515.75, 8,271.03 and 2,003.31

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Solution

The fourth proportional to 5,515.75, 8,271.03 and 2,003.31 is: 3,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.75 : 8,271.03 = 2,003.31 : x
  2. Step 2: Convert to fraction form
    5,515.75/8,271.03 = 2,003.31/x
  3. Step 3: Cross multiply
    5,515.75x = 8,271.03 × 2,003.31
  4. Step 4: Simplify right side
    5,515.75x = 16,569,437.11
  5. Step 5: Solve for x
    x = 16,569,437.11/5,515.75
  6. Step 6: Final answer
    x = 3,004.02

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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.