Home / 7,545.39-11,317.55-1,998.61

Finding the Fourth Proportional to 7,545.39, 11,317.55 and 1,998.61

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Solution

The fourth proportional to 7,545.39, 11,317.55 and 1,998.61 is: 2,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.39 : 11,317.55 = 1,998.61 : x
  2. Step 2: Convert to fraction form
    7,545.39/11,317.55 = 1,998.61/x
  3. Step 3: Cross multiply
    7,545.39x = 11,317.55 × 1,998.61
  4. Step 4: Simplify right side
    7,545.39x = 22,619,335.94
  5. Step 5: Solve for x
    x = 22,619,335.94/7,545.39
  6. Step 6: Final answer
    x = 2,997.77

Related Problems

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.