Home / 5,691.92-8,538.48-2,405.34

Finding the Fourth Proportional to 5,691.92, 8,538.48 and 2,405.34

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Solution

The fourth proportional to 5,691.92, 8,538.48 and 2,405.34 is: 3,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.92 : 8,538.48 = 2,405.34 : x
  2. Step 2: Convert to fraction form
    5,691.92/8,538.48 = 2,405.34/x
  3. Step 3: Cross multiply
    5,691.92x = 8,538.48 × 2,405.34
  4. Step 4: Simplify right side
    5,691.92x = 20,537,947.48
  5. Step 5: Solve for x
    x = 20,537,947.48/5,691.92
  6. Step 6: Final answer
    x = 3,608.27

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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.