Home / 4,991.83-7,487.77-1,293.80

Finding the Fourth Proportional to 4,991.83, 7,487.77 and 1,293.80

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Solution

The fourth proportional to 4,991.83, 7,487.77 and 1,293.80 is: 1,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.83 : 7,487.77 = 1,293.80 : x
  2. Step 2: Convert to fraction form
    4,991.83/7,487.77 = 1,293.80/x
  3. Step 3: Cross multiply
    4,991.83x = 7,487.77 × 1,293.80
  4. Step 4: Simplify right side
    4,991.83x = 9,687,676.83
  5. Step 5: Solve for x
    x = 9,687,676.83/4,991.83
  6. Step 6: Final answer
    x = 1,940.71

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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.