Home / 4,781.74-7,175.39-2,008.20

Finding the Fourth Proportional to 4,781.74, 7,175.39 and 2,008.20

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Solution

The fourth proportional to 4,781.74, 7,175.39 and 2,008.20 is: 3,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.74 : 7,175.39 = 2,008.20 : x
  2. Step 2: Convert to fraction form
    4,781.74/7,175.39 = 2,008.20/x
  3. Step 3: Cross multiply
    4,781.74x = 7,175.39 × 2,008.20
  4. Step 4: Simplify right side
    4,781.74x = 14,409,618.20
  5. Step 5: Solve for x
    x = 14,409,618.20/4,781.74
  6. Step 6: Final answer
    x = 3,013.47

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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.