Home / 4,743.06-7,115.35-1,781.73

Finding the Fourth Proportional to 4,743.06, 7,115.35 and 1,781.73

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Solution

The fourth proportional to 4,743.06, 7,115.35 and 1,781.73 is: 2,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.06 : 7,115.35 = 1,781.73 : x
  2. Step 2: Convert to fraction form
    4,743.06/7,115.35 = 1,781.73/x
  3. Step 3: Cross multiply
    4,743.06x = 7,115.35 × 1,781.73
  4. Step 4: Simplify right side
    4,743.06x = 12,677,632.56
  5. Step 5: Solve for x
    x = 12,677,632.56/4,743.06
  6. Step 6: Final answer
    x = 2,672.88

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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.