Home / 5,239.02-7,847.73-3,781.02

Finding the Fourth Proportional to 5,239.02, 7,847.73 and 3,781.02

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Solution

The fourth proportional to 5,239.02, 7,847.73 and 3,781.02 is: 5,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.02 : 7,847.73 = 3,781.02 : x
  2. Step 2: Convert to fraction form
    5,239.02/7,847.73 = 3,781.02/x
  3. Step 3: Cross multiply
    5,239.02x = 7,847.73 × 3,781.02
  4. Step 4: Simplify right side
    5,239.02x = 29,672,424.08
  5. Step 5: Solve for x
    x = 29,672,424.08/5,239.02
  6. Step 6: Final answer
    x = 5,663.74

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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.