Home / 7,449.20-11,159.76-6,224.48

Finding the Fourth Proportional to 7,449.20, 11,159.76 and 6,224.48

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Solution

The fourth proportional to 7,449.20, 11,159.76 and 6,224.48 is: 9,324.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.20 : 11,159.76 = 6,224.48 : x
  2. Step 2: Convert to fraction form
    7,449.20/11,159.76 = 6,224.48/x
  3. Step 3: Cross multiply
    7,449.20x = 11,159.76 × 6,224.48
  4. Step 4: Simplify right side
    7,449.20x = 69,463,702.92
  5. Step 5: Solve for x
    x = 69,463,702.92/7,449.20
  6. Step 6: Final answer
    x = 9,324.99

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1.5x scale

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.