Home / 4,781.03-7,168.97-1,660.23

Finding the Fourth Proportional to 4,781.03, 7,168.97 and 1,660.23

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Solution

The fourth proportional to 4,781.03, 7,168.97 and 1,660.23 is: 2,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.03 : 7,168.97 = 1,660.23 : x
  2. Step 2: Convert to fraction form
    4,781.03/7,168.97 = 1,660.23/x
  3. Step 3: Cross multiply
    4,781.03x = 7,168.97 × 1,660.23
  4. Step 4: Simplify right side
    4,781.03x = 11,902,143.21
  5. Step 5: Solve for x
    x = 11,902,143.21/4,781.03
  6. Step 6: Final answer
    x = 2,489.45

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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.