Home / 8,166.11-11,270.79-4,629.33

Finding the Fourth Proportional to 8,166.11, 11,270.79 and 4,629.33

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Solution

The fourth proportional to 8,166.11, 11,270.79 and 4,629.33 is: 6,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.11 : 11,270.79 = 4,629.33 : x
  2. Step 2: Convert to fraction form
    8,166.11/11,270.79 = 4,629.33/x
  3. Step 3: Cross multiply
    8,166.11x = 11,270.79 × 4,629.33
  4. Step 4: Simplify right side
    8,166.11x = 52,176,206.27
  5. Step 5: Solve for x
    x = 52,176,206.27/8,166.11
  6. Step 6: Final answer
    x = 6,389.36

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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.