Home / 8,860.14-13,281.69-3,311.94

Finding the Fourth Proportional to 8,860.14, 13,281.69 and 3,311.94

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Solution

The fourth proportional to 8,860.14, 13,281.69 and 3,311.94 is: 4,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.14 : 13,281.69 = 3,311.94 : x
  2. Step 2: Convert to fraction form
    8,860.14/13,281.69 = 3,311.94/x
  3. Step 3: Cross multiply
    8,860.14x = 13,281.69 × 3,311.94
  4. Step 4: Simplify right side
    8,860.14x = 43,988,160.38
  5. Step 5: Solve for x
    x = 43,988,160.38/8,860.14
  6. Step 6: Final answer
    x = 4,964.73

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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.