Home / 8,891.42-13,337.81-2,650.95

Finding the Fourth Proportional to 8,891.42, 13,337.81 and 2,650.95

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Solution

The fourth proportional to 8,891.42, 13,337.81 and 2,650.95 is: 3,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.42 : 13,337.81 = 2,650.95 : x
  2. Step 2: Convert to fraction form
    8,891.42/13,337.81 = 2,650.95/x
  3. Step 3: Cross multiply
    8,891.42x = 13,337.81 × 2,650.95
  4. Step 4: Simplify right side
    8,891.42x = 35,357,907.39
  5. Step 5: Solve for x
    x = 35,357,907.39/8,891.42
  6. Step 6: Final answer
    x = 3,976.63

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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.