Home / 8,122.46-11,208.68-5,099.22

Finding the Fourth Proportional to 8,122.46, 11,208.68 and 5,099.22

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Solution

The fourth proportional to 8,122.46, 11,208.68 and 5,099.22 is: 7,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.46 : 11,208.68 = 5,099.22 : x
  2. Step 2: Convert to fraction form
    8,122.46/11,208.68 = 5,099.22/x
  3. Step 3: Cross multiply
    8,122.46x = 11,208.68 × 5,099.22
  4. Step 4: Simplify right side
    8,122.46x = 57,155,469.19
  5. Step 5: Solve for x
    x = 57,155,469.19/8,122.46
  6. Step 6: Final answer
    x = 7,036.72

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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.