Home / 5,213.09-7,809.83-2,577.53

Finding the Fourth Proportional to 5,213.09, 7,809.83 and 2,577.53

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Solution

The fourth proportional to 5,213.09, 7,809.83 and 2,577.53 is: 3,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.09 : 7,809.83 = 2,577.53 : x
  2. Step 2: Convert to fraction form
    5,213.09/7,809.83 = 2,577.53/x
  3. Step 3: Cross multiply
    5,213.09x = 7,809.83 × 2,577.53
  4. Step 4: Simplify right side
    5,213.09x = 20,130,019.18
  5. Step 5: Solve for x
    x = 20,130,019.18/5,213.09
  6. Step 6: Final answer
    x = 3,861.44

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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.