Home / 4,781.76-7,165.44-2,832

Finding the Fourth Proportional to 4,781.76, 7,165.44 and 2,832

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Solution

The fourth proportional to 4,781.76, 7,165.44 and 2,832 is: 4,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.76 : 7,165.44 = 2,832 : x
  2. Step 2: Convert to fraction form
    4,781.76/7,165.44 = 2,832/x
  3. Step 3: Cross multiply
    4,781.76x = 7,165.44 × 2,832
  4. Step 4: Simplify right side
    4,781.76x = 20,292,526.08
  5. Step 5: Solve for x
    x = 20,292,526.08/4,781.76
  6. Step 6: Final answer
    x = 4,243.74

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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.