Home / 5,551.95-7,661.81-3,194.25

Finding the Fourth Proportional to 5,551.95, 7,661.81 and 3,194.25

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Solution

The fourth proportional to 5,551.95, 7,661.81 and 3,194.25 is: 4,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.95 : 7,661.81 = 3,194.25 : x
  2. Step 2: Convert to fraction form
    5,551.95/7,661.81 = 3,194.25/x
  3. Step 3: Cross multiply
    5,551.95x = 7,661.81 × 3,194.25
  4. Step 4: Simplify right side
    5,551.95x = 24,473,736.59
  5. Step 5: Solve for x
    x = 24,473,736.59/5,551.95
  6. Step 6: Final answer
    x = 4,408.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.