Home / 5,641.36-8,459.37-1,691.09

Finding the Fourth Proportional to 5,641.36, 8,459.37 and 1,691.09

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Solution

The fourth proportional to 5,641.36, 8,459.37 and 1,691.09 is: 2,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.36 : 8,459.37 = 1,691.09 : x
  2. Step 2: Convert to fraction form
    5,641.36/8,459.37 = 1,691.09/x
  3. Step 3: Cross multiply
    5,641.36x = 8,459.37 × 1,691.09
  4. Step 4: Simplify right side
    5,641.36x = 14,305,556.01
  5. Step 5: Solve for x
    x = 14,305,556.01/5,641.36
  6. Step 6: Final answer
    x = 2,535.83

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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.