Home / 7,581.66-11,351.52-3,875.91

Finding the Fourth Proportional to 7,581.66, 11,351.52 and 3,875.91

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Solution

The fourth proportional to 7,581.66, 11,351.52 and 3,875.91 is: 5,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.66 : 11,351.52 = 3,875.91 : x
  2. Step 2: Convert to fraction form
    7,581.66/11,351.52 = 3,875.91/x
  3. Step 3: Cross multiply
    7,581.66x = 11,351.52 × 3,875.91
  4. Step 4: Simplify right side
    7,581.66x = 43,997,469.88
  5. Step 5: Solve for x
    x = 43,997,469.88/7,581.66
  6. Step 6: Final answer
    x = 5,803.14

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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.