Home / 8,305.52-11,455.14-5,321.62

Finding the Fourth Proportional to 8,305.52, 11,455.14 and 5,321.62

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Solution

The fourth proportional to 8,305.52, 11,455.14 and 5,321.62 is: 7,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.52 : 11,455.14 = 5,321.62 : x
  2. Step 2: Convert to fraction form
    8,305.52/11,455.14 = 5,321.62/x
  3. Step 3: Cross multiply
    8,305.52x = 11,455.14 × 5,321.62
  4. Step 4: Simplify right side
    8,305.52x = 60,959,902.13
  5. Step 5: Solve for x
    x = 60,959,902.13/8,305.52
  6. Step 6: Final answer
    x = 7,339.69

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Double scale
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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.