Home / 8,138.49-11,230.59-4,552.83

Finding the Fourth Proportional to 8,138.49, 11,230.59 and 4,552.83

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Solution

The fourth proportional to 8,138.49, 11,230.59 and 4,552.83 is: 6,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.49 : 11,230.59 = 4,552.83 : x
  2. Step 2: Convert to fraction form
    8,138.49/11,230.59 = 4,552.83/x
  3. Step 3: Cross multiply
    8,138.49x = 11,230.59 × 4,552.83
  4. Step 4: Simplify right side
    8,138.49x = 51,130,992.11
  5. Step 5: Solve for x
    x = 51,130,992.11/8,138.49
  6. Step 6: Final answer
    x = 6,282.61

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Double scale
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Similar ratio
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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.