Home / 8,509.02-12,761.72-2,664.88

Finding the Fourth Proportional to 8,509.02, 12,761.72 and 2,664.88

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Solution

The fourth proportional to 8,509.02, 12,761.72 and 2,664.88 is: 3,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.02 : 12,761.72 = 2,664.88 : x
  2. Step 2: Convert to fraction form
    8,509.02/12,761.72 = 2,664.88/x
  3. Step 3: Cross multiply
    8,509.02x = 12,761.72 × 2,664.88
  4. Step 4: Simplify right side
    8,509.02x = 34,008,452.39
  5. Step 5: Solve for x
    x = 34,008,452.39/8,509.02
  6. Step 6: Final answer
    x = 3,996.75

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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.