Home / 4,767.72-7,149.36-1,806.74

Finding the Fourth Proportional to 4,767.72, 7,149.36 and 1,806.74

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Solution

The fourth proportional to 4,767.72, 7,149.36 and 1,806.74 is: 2,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.72 : 7,149.36 = 1,806.74 : x
  2. Step 2: Convert to fraction form
    4,767.72/7,149.36 = 1,806.74/x
  3. Step 3: Cross multiply
    4,767.72x = 7,149.36 × 1,806.74
  4. Step 4: Simplify right side
    4,767.72x = 12,917,034.69
  5. Step 5: Solve for x
    x = 12,917,034.69/4,767.72
  6. Step 6: Final answer
    x = 2,709.27

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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.