Home / 8,717.71-13,077.12-2,874.37

Finding the Fourth Proportional to 8,717.71, 13,077.12 and 2,874.37

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Solution

The fourth proportional to 8,717.71, 13,077.12 and 2,874.37 is: 4,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.71 : 13,077.12 = 2,874.37 : x
  2. Step 2: Convert to fraction form
    8,717.71/13,077.12 = 2,874.37/x
  3. Step 3: Cross multiply
    8,717.71x = 13,077.12 × 2,874.37
  4. Step 4: Simplify right side
    8,717.71x = 37,588,481.41
  5. Step 5: Solve for x
    x = 37,588,481.41/8,717.71
  6. Step 6: Final answer
    x = 4,311.74

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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.