Home / 4,781.82-7,172.70-2,832.63

Finding the Fourth Proportional to 4,781.82, 7,172.70 and 2,832.63

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Solution

The fourth proportional to 4,781.82, 7,172.70 and 2,832.63 is: 4,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.82 : 7,172.70 = 2,832.63 : x
  2. Step 2: Convert to fraction form
    4,781.82/7,172.70 = 2,832.63/x
  3. Step 3: Cross multiply
    4,781.82x = 7,172.70 × 2,832.63
  4. Step 4: Simplify right side
    4,781.82x = 20,317,605.20
  5. Step 5: Solve for x
    x = 20,317,605.20/4,781.82
  6. Step 6: Final answer
    x = 4,248.93

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1.5x scale

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.