Home / 5,302.56-7,952.68-2,181.80

Finding the Fourth Proportional to 5,302.56, 7,952.68 and 2,181.80

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Solution

The fourth proportional to 5,302.56, 7,952.68 and 2,181.80 is: 3,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.56 : 7,952.68 = 2,181.80 : x
  2. Step 2: Convert to fraction form
    5,302.56/7,952.68 = 2,181.80/x
  3. Step 3: Cross multiply
    5,302.56x = 7,952.68 × 2,181.80
  4. Step 4: Simplify right side
    5,302.56x = 17,351,157.22
  5. Step 5: Solve for x
    x = 17,351,157.22/5,302.56
  6. Step 6: Final answer
    x = 3,272.22

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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.