Home / 5,394.05-8,091.08-1,696.81

Finding the Fourth Proportional to 5,394.05, 8,091.08 and 1,696.81

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Solution

The fourth proportional to 5,394.05, 8,091.08 and 1,696.81 is: 2,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.05 : 8,091.08 = 1,696.81 : x
  2. Step 2: Convert to fraction form
    5,394.05/8,091.08 = 1,696.81/x
  3. Step 3: Cross multiply
    5,394.05x = 8,091.08 × 1,696.81
  4. Step 4: Simplify right side
    5,394.05x = 13,729,003.11
  5. Step 5: Solve for x
    x = 13,729,003.11/5,394.05
  6. Step 6: Final answer
    x = 2,545.21

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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.