Home / 7,430.88-11,149.28-3,324

Finding the Fourth Proportional to 7,430.88, 11,149.28 and 3,324

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Solution

The fourth proportional to 7,430.88, 11,149.28 and 3,324 is: 4,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.88 : 11,149.28 = 3,324 : x
  2. Step 2: Convert to fraction form
    7,430.88/11,149.28 = 3,324/x
  3. Step 3: Cross multiply
    7,430.88x = 11,149.28 × 3,324
  4. Step 4: Simplify right side
    7,430.88x = 37,060,206.72
  5. Step 5: Solve for x
    x = 37,060,206.72/7,430.88
  6. Step 6: Final answer
    x = 4,987.32

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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.