Home / 5,345.66-8,017.11-2,531.72

Finding the Fourth Proportional to 5,345.66, 8,017.11 and 2,531.72

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Solution

The fourth proportional to 5,345.66, 8,017.11 and 2,531.72 is: 3,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.66 : 8,017.11 = 2,531.72 : x
  2. Step 2: Convert to fraction form
    5,345.66/8,017.11 = 2,531.72/x
  3. Step 3: Cross multiply
    5,345.66x = 8,017.11 × 2,531.72
  4. Step 4: Simplify right side
    5,345.66x = 20,297,037.64
  5. Step 5: Solve for x
    x = 20,297,037.64/5,345.66
  6. Step 6: Final answer
    x = 3,796.92

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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.