Home / 8,272.83-12,408.02-3,342.36

Finding the Fourth Proportional to 8,272.83, 12,408.02 and 3,342.36

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Solution

The fourth proportional to 8,272.83, 12,408.02 and 3,342.36 is: 5,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.83 : 12,408.02 = 3,342.36 : x
  2. Step 2: Convert to fraction form
    8,272.83/12,408.02 = 3,342.36/x
  3. Step 3: Cross multiply
    8,272.83x = 12,408.02 × 3,342.36
  4. Step 4: Simplify right side
    8,272.83x = 41,472,069.73
  5. Step 5: Solve for x
    x = 41,472,069.73/8,272.83
  6. Step 6: Final answer
    x = 5,013.05

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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.