Home / 8,099.05-11,172.87-4,739.80

Finding the Fourth Proportional to 8,099.05, 11,172.87 and 4,739.80

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Solution

The fourth proportional to 8,099.05, 11,172.87 and 4,739.80 is: 6,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.05 : 11,172.87 = 4,739.80 : x
  2. Step 2: Convert to fraction form
    8,099.05/11,172.87 = 4,739.80/x
  3. Step 3: Cross multiply
    8,099.05x = 11,172.87 × 4,739.80
  4. Step 4: Simplify right side
    8,099.05x = 52,957,169.23
  5. Step 5: Solve for x
    x = 52,957,169.23/8,099.05
  6. Step 6: Final answer
    x = 6,538.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.