Home / 8,634.07-12,948.36-2,789.29

Finding the Fourth Proportional to 8,634.07, 12,948.36 and 2,789.29

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Solution

The fourth proportional to 8,634.07, 12,948.36 and 2,789.29 is: 4,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.07 : 12,948.36 = 2,789.29 : x
  2. Step 2: Convert to fraction form
    8,634.07/12,948.36 = 2,789.29/x
  3. Step 3: Cross multiply
    8,634.07x = 12,948.36 × 2,789.29
  4. Step 4: Simplify right side
    8,634.07x = 36,116,731.06
  5. Step 5: Solve for x
    x = 36,116,731.06/8,634.07
  6. Step 6: Final answer
    x = 4,183.05

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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.