Home / 8,175.08-12,255.23-2,979.74

Finding the Fourth Proportional to 8,175.08, 12,255.23 and 2,979.74

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Solution

The fourth proportional to 8,175.08, 12,255.23 and 2,979.74 is: 4,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.08 : 12,255.23 = 2,979.74 : x
  2. Step 2: Convert to fraction form
    8,175.08/12,255.23 = 2,979.74/x
  3. Step 3: Cross multiply
    8,175.08x = 12,255.23 × 2,979.74
  4. Step 4: Simplify right side
    8,175.08x = 36,517,437.13
  5. Step 5: Solve for x
    x = 36,517,437.13/8,175.08
  6. Step 6: Final answer
    x = 4,466.92

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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.