Home / 7,545.08-11,316.38-1,998.77

Finding the Fourth Proportional to 7,545.08, 11,316.38 and 1,998.77

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Solution

The fourth proportional to 7,545.08, 11,316.38 and 1,998.77 is: 2,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.08 : 11,316.38 = 1,998.77 : x
  2. Step 2: Convert to fraction form
    7,545.08/11,316.38 = 1,998.77/x
  3. Step 3: Cross multiply
    7,545.08x = 11,316.38 × 1,998.77
  4. Step 4: Simplify right side
    7,545.08x = 22,618,774.28
  5. Step 5: Solve for x
    x = 22,618,774.28/7,545.08
  6. Step 6: Final answer
    x = 2,997.82

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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.