Home / 8,252.89-12,382.98-4,090.60

Finding the Fourth Proportional to 8,252.89, 12,382.98 and 4,090.60

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Solution

The fourth proportional to 8,252.89, 12,382.98 and 4,090.60 is: 6,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.89 : 12,382.98 = 4,090.60 : x
  2. Step 2: Convert to fraction form
    8,252.89/12,382.98 = 4,090.60/x
  3. Step 3: Cross multiply
    8,252.89x = 12,382.98 × 4,090.60
  4. Step 4: Simplify right side
    8,252.89x = 50,653,818.13
  5. Step 5: Solve for x
    x = 50,653,818.13/8,252.89
  6. Step 6: Final answer
    x = 6,137.71

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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.