Home / 8,790.73-13,189.43-5,676.68

Finding the Fourth Proportional to 8,790.73, 13,189.43 and 5,676.68

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Solution

The fourth proportional to 8,790.73, 13,189.43 and 5,676.68 is: 8,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.73 : 13,189.43 = 5,676.68 : x
  2. Step 2: Convert to fraction form
    8,790.73/13,189.43 = 5,676.68/x
  3. Step 3: Cross multiply
    8,790.73x = 13,189.43 × 5,676.68
  4. Step 4: Simplify right side
    8,790.73x = 74,872,220.66
  5. Step 5: Solve for x
    x = 74,872,220.66/8,790.73
  6. Step 6: Final answer
    x = 8,517.18

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1.5x scale

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.