Home / 8,587.74-12,883.46-2,664.51

Finding the Fourth Proportional to 8,587.74, 12,883.46 and 2,664.51

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Solution

The fourth proportional to 8,587.74, 12,883.46 and 2,664.51 is: 3,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.74 : 12,883.46 = 2,664.51 : x
  2. Step 2: Convert to fraction form
    8,587.74/12,883.46 = 2,664.51/x
  3. Step 3: Cross multiply
    8,587.74x = 12,883.46 × 2,664.51
  4. Step 4: Simplify right side
    8,587.74x = 34,328,046.37
  5. Step 5: Solve for x
    x = 34,328,046.37/8,587.74
  6. Step 6: Final answer
    x = 3,997.33

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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.