Home / 5,389.11-8,083.67-1,691.44

Finding the Fourth Proportional to 5,389.11, 8,083.67 and 1,691.44

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Solution

The fourth proportional to 5,389.11, 8,083.67 and 1,691.44 is: 2,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.11 : 8,083.67 = 1,691.44 : x
  2. Step 2: Convert to fraction form
    5,389.11/8,083.67 = 1,691.44/x
  3. Step 3: Cross multiply
    5,389.11x = 8,083.67 × 1,691.44
  4. Step 4: Simplify right side
    5,389.11x = 13,673,014.12
  5. Step 5: Solve for x
    x = 13,673,014.12/5,389.11
  6. Step 6: Final answer
    x = 2,537.16

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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.