Home / 8,922.21-13,384-2,681.73

Finding the Fourth Proportional to 8,922.21, 13,384 and 2,681.73

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Solution

The fourth proportional to 8,922.21, 13,384 and 2,681.73 is: 4,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.21 : 13,384 = 2,681.73 : x
  2. Step 2: Convert to fraction form
    8,922.21/13,384 = 2,681.73/x
  3. Step 3: Cross multiply
    8,922.21x = 13,384 × 2,681.73
  4. Step 4: Simplify right side
    8,922.21x = 35,892,274.32
  5. Step 5: Solve for x
    x = 35,892,274.32/8,922.21
  6. Step 6: Final answer
    x = 4,022.80

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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.