Home / 4,781.03-7,141.77-4,163.20

Finding the Fourth Proportional to 4,781.03, 7,141.77 and 4,163.20

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Solution

The fourth proportional to 4,781.03, 7,141.77 and 4,163.20 is: 6,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.03 : 7,141.77 = 4,163.20 : x
  2. Step 2: Convert to fraction form
    4,781.03/7,141.77 = 4,163.20/x
  3. Step 3: Cross multiply
    4,781.03x = 7,141.77 × 4,163.20
  4. Step 4: Simplify right side
    4,781.03x = 29,732,599.01
  5. Step 5: Solve for x
    x = 29,732,599.01/4,781.03
  6. Step 6: Final answer
    x = 6,218.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.