Home / 8,338.26-11,487.27-5,815.80

Finding the Fourth Proportional to 8,338.26, 11,487.27 and 5,815.80

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Solution

The fourth proportional to 8,338.26, 11,487.27 and 5,815.80 is: 8,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.26 : 11,487.27 = 5,815.80 : x
  2. Step 2: Convert to fraction form
    8,338.26/11,487.27 = 5,815.80/x
  3. Step 3: Cross multiply
    8,338.26x = 11,487.27 × 5,815.80
  4. Step 4: Simplify right side
    8,338.26x = 66,807,664.87
  5. Step 5: Solve for x
    x = 66,807,664.87/8,338.26
  6. Step 6: Final answer
    x = 8,012.18

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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.