Home / 4,196.80-6,295.21-1,275.13

Finding the Fourth Proportional to 4,196.80, 6,295.21 and 1,275.13

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Solution

The fourth proportional to 4,196.80, 6,295.21 and 1,275.13 is: 1,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,196.80 : 6,295.21 = 1,275.13 : x
  2. Step 2: Convert to fraction form
    4,196.80/6,295.21 = 1,275.13/x
  3. Step 3: Cross multiply
    4,196.80x = 6,295.21 × 1,275.13
  4. Step 4: Simplify right side
    4,196.80x = 8,027,211.13
  5. Step 5: Solve for x
    x = 8,027,211.13/4,196.80
  6. Step 6: Final answer
    x = 1,912.70

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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.