Home / 6,781.53-10,192.37-5,619

Finding the Fourth Proportional to 6,781.53, 10,192.37 and 5,619

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Solution

The fourth proportional to 6,781.53, 10,192.37 and 5,619 is: 8,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.53 : 10,192.37 = 5,619 : x
  2. Step 2: Convert to fraction form
    6,781.53/10,192.37 = 5,619/x
  3. Step 3: Cross multiply
    6,781.53x = 10,192.37 × 5,619
  4. Step 4: Simplify right side
    6,781.53x = 57,270,898.94
  5. Step 5: Solve for x
    x = 57,270,898.94/6,781.53
  6. Step 6: Final answer
    x = 8,445.13

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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.