Home / 8,525.80-12,788.52-3,331.66

Finding the Fourth Proportional to 8,525.80, 12,788.52 and 3,331.66

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Solution

The fourth proportional to 8,525.80, 12,788.52 and 3,331.66 is: 4,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.80 : 12,788.52 = 3,331.66 : x
  2. Step 2: Convert to fraction form
    8,525.80/12,788.52 = 3,331.66/x
  3. Step 3: Cross multiply
    8,525.80x = 12,788.52 × 3,331.66
  4. Step 4: Simplify right side
    8,525.80x = 42,607,000.54
  5. Step 5: Solve for x
    x = 42,607,000.54/8,525.80
  6. Step 6: Final answer
    x = 4,997.42

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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.