Home / 8,272.07-12,408.10-2,116.07

Finding the Fourth Proportional to 8,272.07, 12,408.10 and 2,116.07

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Solution

The fourth proportional to 8,272.07, 12,408.10 and 2,116.07 is: 3,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.07 : 12,408.10 = 2,116.07 : x
  2. Step 2: Convert to fraction form
    8,272.07/12,408.10 = 2,116.07/x
  3. Step 3: Cross multiply
    8,272.07x = 12,408.10 × 2,116.07
  4. Step 4: Simplify right side
    8,272.07x = 26,256,335.55
  5. Step 5: Solve for x
    x = 26,256,335.55/8,272.07
  6. Step 6: Final answer
    x = 3,174.10

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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.