Home / 9,212.20-13,829.10-5,266.60

Finding the Fourth Proportional to 9,212.20, 13,829.10 and 5,266.60

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Solution

The fourth proportional to 9,212.20, 13,829.10 and 5,266.60 is: 7,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.20 : 13,829.10 = 5,266.60 : x
  2. Step 2: Convert to fraction form
    9,212.20/13,829.10 = 5,266.60/x
  3. Step 3: Cross multiply
    9,212.20x = 13,829.10 × 5,266.60
  4. Step 4: Simplify right side
    9,212.20x = 72,832,338.06
  5. Step 5: Solve for x
    x = 72,832,338.06/9,212.20
  6. Step 6: Final answer
    x = 7,906.07

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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.