Home / 8,508.24-12,761.55-2,664.90

Finding the Fourth Proportional to 8,508.24, 12,761.55 and 2,664.90

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Solution

The fourth proportional to 8,508.24, 12,761.55 and 2,664.90 is: 3,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.24 : 12,761.55 = 2,664.90 : x
  2. Step 2: Convert to fraction form
    8,508.24/12,761.55 = 2,664.90/x
  3. Step 3: Cross multiply
    8,508.24x = 12,761.55 × 2,664.90
  4. Step 4: Simplify right side
    8,508.24x = 34,008,254.60
  5. Step 5: Solve for x
    x = 34,008,254.60/8,508.24
  6. Step 6: Final answer
    x = 3,997.10

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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.