Home / 8,860.98-13,286.55-4,111.95

Finding the Fourth Proportional to 8,860.98, 13,286.55 and 4,111.95

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Solution

The fourth proportional to 8,860.98, 13,286.55 and 4,111.95 is: 6,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.98 : 13,286.55 = 4,111.95 : x
  2. Step 2: Convert to fraction form
    8,860.98/13,286.55 = 4,111.95/x
  3. Step 3: Cross multiply
    8,860.98x = 13,286.55 × 4,111.95
  4. Step 4: Simplify right side
    8,860.98x = 54,633,629.27
  5. Step 5: Solve for x
    x = 54,633,629.27/8,860.98
  6. Step 6: Final answer
    x = 6,165.64

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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.