Home / 8,181.15-11,289.83-4,824.11

Finding the Fourth Proportional to 8,181.15, 11,289.83 and 4,824.11

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Solution

The fourth proportional to 8,181.15, 11,289.83 and 4,824.11 is: 6,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.15 : 11,289.83 = 4,824.11 : x
  2. Step 2: Convert to fraction form
    8,181.15/11,289.83 = 4,824.11/x
  3. Step 3: Cross multiply
    8,181.15x = 11,289.83 × 4,824.11
  4. Step 4: Simplify right side
    8,181.15x = 54,463,301.23
  5. Step 5: Solve for x
    x = 54,463,301.23/8,181.15
  6. Step 6: Final answer
    x = 6,657.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.