Home / 8,505.09-11,729.17-5,317.37

Finding the Fourth Proportional to 8,505.09, 11,729.17 and 5,317.37

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Solution

The fourth proportional to 8,505.09, 11,729.17 and 5,317.37 is: 7,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.09 : 11,729.17 = 5,317.37 : x
  2. Step 2: Convert to fraction form
    8,505.09/11,729.17 = 5,317.37/x
  3. Step 3: Cross multiply
    8,505.09x = 11,729.17 × 5,317.37
  4. Step 4: Simplify right side
    8,505.09x = 62,368,336.68
  5. Step 5: Solve for x
    x = 62,368,336.68/8,505.09
  6. Step 6: Final answer
    x = 7,333.06

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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.