Home / 5,209.02-7,805.18-3,721.25

Finding the Fourth Proportional to 5,209.02, 7,805.18 and 3,721.25

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Solution

The fourth proportional to 5,209.02, 7,805.18 and 3,721.25 is: 5,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.02 : 7,805.18 = 3,721.25 : x
  2. Step 2: Convert to fraction form
    5,209.02/7,805.18 = 3,721.25/x
  3. Step 3: Cross multiply
    5,209.02x = 7,805.18 × 3,721.25
  4. Step 4: Simplify right side
    5,209.02x = 29,044,968.44
  5. Step 5: Solve for x
    x = 29,044,968.44/5,209.02
  6. Step 6: Final answer
    x = 5,575.90

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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.