Home / 8,305.39-11,454.96-5,321.51

Finding the Fourth Proportional to 8,305.39, 11,454.96 and 5,321.51

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Solution

The fourth proportional to 8,305.39, 11,454.96 and 5,321.51 is: 7,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.39 : 11,454.96 = 5,321.51 : x
  2. Step 2: Convert to fraction form
    8,305.39/11,454.96 = 5,321.51/x
  3. Step 3: Cross multiply
    8,305.39x = 11,454.96 × 5,321.51
  4. Step 4: Simplify right side
    8,305.39x = 60,957,684.19
  5. Step 5: Solve for x
    x = 60,957,684.19/8,305.39
  6. Step 6: Final answer
    x = 7,339.53

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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.