Home / 8,588.38-12,884.40-2,665.14

Finding the Fourth Proportional to 8,588.38, 12,884.40 and 2,665.14

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Solution

The fourth proportional to 8,588.38, 12,884.40 and 2,665.14 is: 3,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.38 : 12,884.40 = 2,665.14 : x
  2. Step 2: Convert to fraction form
    8,588.38/12,884.40 = 2,665.14/x
  3. Step 3: Cross multiply
    8,588.38x = 12,884.40 × 2,665.14
  4. Step 4: Simplify right side
    8,588.38x = 34,338,665.39
  5. Step 5: Solve for x
    x = 34,338,665.39/8,588.38
  6. Step 6: Final answer
    x = 3,998.27

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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.