Home / 7,430.88-11,140.56-3,324

Finding the Fourth Proportional to 7,430.88, 11,140.56 and 3,324

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Solution

The fourth proportional to 7,430.88, 11,140.56 and 3,324 is: 4,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.88 : 11,140.56 = 3,324 : x
  2. Step 2: Convert to fraction form
    7,430.88/11,140.56 = 3,324/x
  3. Step 3: Cross multiply
    7,430.88x = 11,140.56 × 3,324
  4. Step 4: Simplify right side
    7,430.88x = 37,031,221.44
  5. Step 5: Solve for x
    x = 37,031,221.44/7,430.88
  6. Step 6: Final answer
    x = 4,983.42

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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.