Home / 7,551.48-11,325.91-2,005.11

Finding the Fourth Proportional to 7,551.48, 11,325.91 and 2,005.11

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Solution

The fourth proportional to 7,551.48, 11,325.91 and 2,005.11 is: 3,007.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.48 : 11,325.91 = 2,005.11 : x
  2. Step 2: Convert to fraction form
    7,551.48/11,325.91 = 2,005.11/x
  3. Step 3: Cross multiply
    7,551.48x = 11,325.91 × 2,005.11
  4. Step 4: Simplify right side
    7,551.48x = 22,709,628.75
  5. Step 5: Solve for x
    x = 22,709,628.75/7,551.48
  6. Step 6: Final answer
    x = 3,007.31

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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.