Home / 4,212.73-6,319.38-1,293.07

Finding the Fourth Proportional to 4,212.73, 6,319.38 and 1,293.07

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Solution

The fourth proportional to 4,212.73, 6,319.38 and 1,293.07 is: 1,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.73 : 6,319.38 = 1,293.07 : x
  2. Step 2: Convert to fraction form
    4,212.73/6,319.38 = 1,293.07/x
  3. Step 3: Cross multiply
    4,212.73x = 6,319.38 × 1,293.07
  4. Step 4: Simplify right side
    4,212.73x = 8,171,400.70
  5. Step 5: Solve for x
    x = 8,171,400.70/4,212.73
  6. Step 6: Final answer
    x = 1,939.69

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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.