Home / 4,781.60-7,175.04-1,860.02

Finding the Fourth Proportional to 4,781.60, 7,175.04 and 1,860.02

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Solution

The fourth proportional to 4,781.60, 7,175.04 and 1,860.02 is: 2,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.60 : 7,175.04 = 1,860.02 : x
  2. Step 2: Convert to fraction form
    4,781.60/7,175.04 = 1,860.02/x
  3. Step 3: Cross multiply
    4,781.60x = 7,175.04 × 1,860.02
  4. Step 4: Simplify right side
    4,781.60x = 13,345,717.90
  5. Step 5: Solve for x
    x = 13,345,717.90/4,781.60
  6. Step 6: Final answer
    x = 2,791.06

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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.