Home / 4,243.54-6,357.02-2,778.25

Finding the Fourth Proportional to 4,243.54, 6,357.02 and 2,778.25

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Solution

The fourth proportional to 4,243.54, 6,357.02 and 2,778.25 is: 4,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.54 : 6,357.02 = 2,778.25 : x
  2. Step 2: Convert to fraction form
    4,243.54/6,357.02 = 2,778.25/x
  3. Step 3: Cross multiply
    4,243.54x = 6,357.02 × 2,778.25
  4. Step 4: Simplify right side
    4,243.54x = 17,661,390.82
  5. Step 5: Solve for x
    x = 17,661,390.82/4,243.54
  6. Step 6: Final answer
    x = 4,161.95

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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.