Home / 8,922.09-13,385.05-2,681.58

Finding the Fourth Proportional to 8,922.09, 13,385.05 and 2,681.58

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Solution

The fourth proportional to 8,922.09, 13,385.05 and 2,681.58 is: 4,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.09 : 13,385.05 = 2,681.58 : x
  2. Step 2: Convert to fraction form
    8,922.09/13,385.05 = 2,681.58/x
  3. Step 3: Cross multiply
    8,922.09x = 13,385.05 × 2,681.58
  4. Step 4: Simplify right side
    8,922.09x = 35,893,088.22
  5. Step 5: Solve for x
    x = 35,893,088.22/8,922.09
  6. Step 6: Final answer
    x = 4,022.95

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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.