Home / 8,508.90-12,763.36-2,665.97

Finding the Fourth Proportional to 8,508.90, 12,763.36 and 2,665.97

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Solution

The fourth proportional to 8,508.90, 12,763.36 and 2,665.97 is: 3,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.90 : 12,763.36 = 2,665.97 : x
  2. Step 2: Convert to fraction form
    8,508.90/12,763.36 = 2,665.97/x
  3. Step 3: Cross multiply
    8,508.90x = 12,763.36 × 2,665.97
  4. Step 4: Simplify right side
    8,508.90x = 34,026,722.24
  5. Step 5: Solve for x
    x = 34,026,722.24/8,508.90
  6. Step 6: Final answer
    x = 3,998.95

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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.