Home / 5,551.57-7,661.40-3,193.70

Finding the Fourth Proportional to 5,551.57, 7,661.40 and 3,193.70

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Solution

The fourth proportional to 5,551.57, 7,661.40 and 3,193.70 is: 4,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.57 : 7,661.40 = 3,193.70 : x
  2. Step 2: Convert to fraction form
    5,551.57/7,661.40 = 3,193.70/x
  3. Step 3: Cross multiply
    5,551.57x = 7,661.40 × 3,193.70
  4. Step 4: Simplify right side
    5,551.57x = 24,468,213.18
  5. Step 5: Solve for x
    x = 24,468,213.18/5,551.57
  6. Step 6: Final answer
    x = 4,407.44

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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.