Home / 8,780.54-13,175.99-3,237.77

Finding the Fourth Proportional to 8,780.54, 13,175.99 and 3,237.77

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Solution

The fourth proportional to 8,780.54, 13,175.99 and 3,237.77 is: 4,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.54 : 13,175.99 = 3,237.77 : x
  2. Step 2: Convert to fraction form
    8,780.54/13,175.99 = 3,237.77/x
  3. Step 3: Cross multiply
    8,780.54x = 13,175.99 × 3,237.77
  4. Step 4: Simplify right side
    8,780.54x = 42,660,743.07
  5. Step 5: Solve for x
    x = 42,660,743.07/8,780.54
  6. Step 6: Final answer
    x = 4,858.56

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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.