Home / 5,638.62-8,441.73-4,245.42

Finding the Fourth Proportional to 5,638.62, 8,441.73 and 4,245.42

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Solution

The fourth proportional to 5,638.62, 8,441.73 and 4,245.42 is: 6,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.62 : 8,441.73 = 4,245.42 : x
  2. Step 2: Convert to fraction form
    5,638.62/8,441.73 = 4,245.42/x
  3. Step 3: Cross multiply
    5,638.62x = 8,441.73 × 4,245.42
  4. Step 4: Simplify right side
    5,638.62x = 35,838,689.38
  5. Step 5: Solve for x
    x = 35,838,689.38/5,638.62
  6. Step 6: Final answer
    x = 6,355.93

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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.