Home / 8,112.02-12,163.10-3,175.74

Finding the Fourth Proportional to 8,112.02, 12,163.10 and 3,175.74

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Solution

The fourth proportional to 8,112.02, 12,163.10 and 3,175.74 is: 4,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.02 : 12,163.10 = 3,175.74 : x
  2. Step 2: Convert to fraction form
    8,112.02/12,163.10 = 3,175.74/x
  3. Step 3: Cross multiply
    8,112.02x = 12,163.10 × 3,175.74
  4. Step 4: Simplify right side
    8,112.02x = 38,626,827.32
  5. Step 5: Solve for x
    x = 38,626,827.32/8,112.02
  6. Step 6: Final answer
    x = 4,761.68

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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.