Home / 4,195.34-5,787.67-3,189.72

Finding the Fourth Proportional to 4,195.34, 5,787.67 and 3,189.72

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Solution

The fourth proportional to 4,195.34, 5,787.67 and 3,189.72 is: 4,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.34 : 5,787.67 = 3,189.72 : x
  2. Step 2: Convert to fraction form
    4,195.34/5,787.67 = 3,189.72/x
  3. Step 3: Cross multiply
    4,195.34x = 5,787.67 × 3,189.72
  4. Step 4: Simplify right side
    4,195.34x = 18,461,046.75
  5. Step 5: Solve for x
    x = 18,461,046.75/4,195.34
  6. Step 6: Final answer
    x = 4,400.37

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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.