Home / 8,135.66-12,203.37-2,588.94

Finding the Fourth Proportional to 8,135.66, 12,203.37 and 2,588.94

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Solution

The fourth proportional to 8,135.66, 12,203.37 and 2,588.94 is: 3,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.66 : 12,203.37 = 2,588.94 : x
  2. Step 2: Convert to fraction form
    8,135.66/12,203.37 = 2,588.94/x
  3. Step 3: Cross multiply
    8,135.66x = 12,203.37 × 2,588.94
  4. Step 4: Simplify right side
    8,135.66x = 31,593,792.73
  5. Step 5: Solve for x
    x = 31,593,792.73/8,135.66
  6. Step 6: Final answer
    x = 3,883.37

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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.