Home / 7,998.61-11,040.83-4,813.69

Finding the Fourth Proportional to 7,998.61, 11,040.83 and 4,813.69

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Solution

The fourth proportional to 7,998.61, 11,040.83 and 4,813.69 is: 6,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.61 : 11,040.83 = 4,813.69 : x
  2. Step 2: Convert to fraction form
    7,998.61/11,040.83 = 4,813.69/x
  3. Step 3: Cross multiply
    7,998.61x = 11,040.83 × 4,813.69
  4. Step 4: Simplify right side
    7,998.61x = 53,147,132.96
  5. Step 5: Solve for x
    x = 53,147,132.96/7,998.61
  6. Step 6: Final answer
    x = 6,644.55

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Half scale
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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.