Home / 5,239.02-7,234.50-3,910.38

Finding the Fourth Proportional to 5,239.02, 7,234.50 and 3,910.38

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Solution

The fourth proportional to 5,239.02, 7,234.50 and 3,910.38 is: 5,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.02 : 7,234.50 = 3,910.38 : x
  2. Step 2: Convert to fraction form
    5,239.02/7,234.50 = 3,910.38/x
  3. Step 3: Cross multiply
    5,239.02x = 7,234.50 × 3,910.38
  4. Step 4: Simplify right side
    5,239.02x = 28,289,644.11
  5. Step 5: Solve for x
    x = 28,289,644.11/5,239.02
  6. Step 6: Final answer
    x = 5,399.80

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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.