Home / 5,513.05-8,269.59-1,353.08

Finding the Fourth Proportional to 5,513.05, 8,269.59 and 1,353.08

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Solution

The fourth proportional to 5,513.05, 8,269.59 and 1,353.08 is: 2,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.05 : 8,269.59 = 1,353.08 : x
  2. Step 2: Convert to fraction form
    5,513.05/8,269.59 = 1,353.08/x
  3. Step 3: Cross multiply
    5,513.05x = 8,269.59 × 1,353.08
  4. Step 4: Simplify right side
    5,513.05x = 11,189,416.84
  5. Step 5: Solve for x
    x = 11,189,416.84/5,513.05
  6. Step 6: Final answer
    x = 2,029.62

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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.