Home / 5,551.92-7,661.40-3,194.40

Finding the Fourth Proportional to 5,551.92, 7,661.40 and 3,194.40

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Solution

The fourth proportional to 5,551.92, 7,661.40 and 3,194.40 is: 4,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.92 : 7,661.40 = 3,194.40 : x
  2. Step 2: Convert to fraction form
    5,551.92/7,661.40 = 3,194.40/x
  3. Step 3: Cross multiply
    5,551.92x = 7,661.40 × 3,194.40
  4. Step 4: Simplify right side
    5,551.92x = 24,473,576.16
  5. Step 5: Solve for x
    x = 24,473,576.16/5,551.92
  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.