Home / 5,699.82-8,549.38-2,189.68

Finding the Fourth Proportional to 5,699.82, 8,549.38 and 2,189.68

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Solution

The fourth proportional to 5,699.82, 8,549.38 and 2,189.68 is: 3,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.82 : 8,549.38 = 2,189.68 : x
  2. Step 2: Convert to fraction form
    5,699.82/8,549.38 = 2,189.68/x
  3. Step 3: Cross multiply
    5,699.82x = 8,549.38 × 2,189.68
  4. Step 4: Simplify right side
    5,699.82x = 18,720,406.40
  5. Step 5: Solve for x
    x = 18,720,406.40/5,699.82
  6. Step 6: Final answer
    x = 3,284.39

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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.