Home / 8,971.82-13,459.77-2,732.71

Finding the Fourth Proportional to 8,971.82, 13,459.77 and 2,732.71

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Solution

The fourth proportional to 8,971.82, 13,459.77 and 2,732.71 is: 4,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.82 : 13,459.77 = 2,732.71 : x
  2. Step 2: Convert to fraction form
    8,971.82/13,459.77 = 2,732.71/x
  3. Step 3: Cross multiply
    8,971.82x = 13,459.77 × 2,732.71
  4. Step 4: Simplify right side
    8,971.82x = 36,781,648.08
  5. Step 5: Solve for x
    x = 36,781,648.08/8,971.82
  6. Step 6: Final answer
    x = 4,099.69

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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.