Home / 4,781.44-7,170.54-1,819.18

Finding the Fourth Proportional to 4,781.44, 7,170.54 and 1,819.18

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Solution

The fourth proportional to 4,781.44, 7,170.54 and 1,819.18 is: 2,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.44 : 7,170.54 = 1,819.18 : x
  2. Step 2: Convert to fraction form
    4,781.44/7,170.54 = 1,819.18/x
  3. Step 3: Cross multiply
    4,781.44x = 7,170.54 × 1,819.18
  4. Step 4: Simplify right side
    4,781.44x = 13,044,467.10
  5. Step 5: Solve for x
    x = 13,044,467.10/4,781.44
  6. Step 6: Final answer
    x = 2,728.15

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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.