Home / 8,588.38-12,881.95-2,665.12

Finding the Fourth Proportional to 8,588.38, 12,881.95 and 2,665.12

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Solution

The fourth proportional to 8,588.38, 12,881.95 and 2,665.12 is: 3,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.38 : 12,881.95 = 2,665.12 : x
  2. Step 2: Convert to fraction form
    8,588.38/12,881.95 = 2,665.12/x
  3. Step 3: Cross multiply
    8,588.38x = 12,881.95 × 2,665.12
  4. Step 4: Simplify right side
    8,588.38x = 34,331,878.17
  5. Step 5: Solve for x
    x = 34,331,878.17/8,588.38
  6. Step 6: Final answer
    x = 3,997.48

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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.