Home / 6,781.08-10,172.64-2,398.58

Finding the Fourth Proportional to 6,781.08, 10,172.64 and 2,398.58

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Solution

The fourth proportional to 6,781.08, 10,172.64 and 2,398.58 is: 3,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.08 : 10,172.64 = 2,398.58 : x
  2. Step 2: Convert to fraction form
    6,781.08/10,172.64 = 2,398.58/x
  3. Step 3: Cross multiply
    6,781.08x = 10,172.64 × 2,398.58
  4. Step 4: Simplify right side
    6,781.08x = 24,399,890.85
  5. Step 5: Solve for x
    x = 24,399,890.85/6,781.08
  6. Step 6: Final answer
    x = 3,598.23

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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.