Home / 8,682.08-13,019.80-3,751.32

Finding the Fourth Proportional to 8,682.08, 13,019.80 and 3,751.32

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Solution

The fourth proportional to 8,682.08, 13,019.80 and 3,751.32 is: 5,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.08 : 13,019.80 = 3,751.32 : x
  2. Step 2: Convert to fraction form
    8,682.08/13,019.80 = 3,751.32/x
  3. Step 3: Cross multiply
    8,682.08x = 13,019.80 × 3,751.32
  4. Step 4: Simplify right side
    8,682.08x = 48,841,436.14
  5. Step 5: Solve for x
    x = 48,841,436.14/8,682.08
  6. Step 6: Final answer
    x = 5,625.55

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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.