Home / 5,125.05-7,684.41-2,001.42

Finding the Fourth Proportional to 5,125.05, 7,684.41 and 2,001.42

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Solution

The fourth proportional to 5,125.05, 7,684.41 and 2,001.42 is: 3,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.05 : 7,684.41 = 2,001.42 : x
  2. Step 2: Convert to fraction form
    5,125.05/7,684.41 = 2,001.42/x
  3. Step 3: Cross multiply
    5,125.05x = 7,684.41 × 2,001.42
  4. Step 4: Simplify right side
    5,125.05x = 15,379,731.86
  5. Step 5: Solve for x
    x = 15,379,731.86/5,125.05
  6. Step 6: Final answer
    x = 3,000.89

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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.