Home / 7,563.15-11,345.91-3,181.86

Finding the Fourth Proportional to 7,563.15, 11,345.91 and 3,181.86

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Solution

The fourth proportional to 7,563.15, 11,345.91 and 3,181.86 is: 4,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.15 : 11,345.91 = 3,181.86 : x
  2. Step 2: Convert to fraction form
    7,563.15/11,345.91 = 3,181.86/x
  3. Step 3: Cross multiply
    7,563.15x = 11,345.91 × 3,181.86
  4. Step 4: Simplify right side
    7,563.15x = 36,101,097.19
  5. Step 5: Solve for x
    x = 36,101,097.19/7,563.15
  6. Step 6: Final answer
    x = 4,773.29

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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.