Home / 4,781.61-7,175.45-1,859.94

Finding the Fourth Proportional to 4,781.61, 7,175.45 and 1,859.94

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Solution

The fourth proportional to 4,781.61, 7,175.45 and 1,859.94 is: 2,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.61 : 7,175.45 = 1,859.94 : x
  2. Step 2: Convert to fraction form
    4,781.61/7,175.45 = 1,859.94/x
  3. Step 3: Cross multiply
    4,781.61x = 7,175.45 × 1,859.94
  4. Step 4: Simplify right side
    4,781.61x = 13,345,911.12
  5. Step 5: Solve for x
    x = 13,345,911.12/4,781.61
  6. Step 6: Final answer
    x = 2,791.09

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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.