Home / 5,257.02-7,884.40-2,136.22

Finding the Fourth Proportional to 5,257.02, 7,884.40 and 2,136.22

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Solution

The fourth proportional to 5,257.02, 7,884.40 and 2,136.22 is: 3,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.02 : 7,884.40 = 2,136.22 : x
  2. Step 2: Convert to fraction form
    5,257.02/7,884.40 = 2,136.22/x
  3. Step 3: Cross multiply
    5,257.02x = 7,884.40 × 2,136.22
  4. Step 4: Simplify right side
    5,257.02x = 16,842,812.97
  5. Step 5: Solve for x
    x = 16,842,812.97/5,257.02
  6. Step 6: Final answer
    x = 3,203.87

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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.