Home / 7,827.52-11,738.44-2,279.36

Finding the Fourth Proportional to 7,827.52, 11,738.44 and 2,279.36

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Solution

The fourth proportional to 7,827.52, 11,738.44 and 2,279.36 is: 3,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.52 : 11,738.44 = 2,279.36 : x
  2. Step 2: Convert to fraction form
    7,827.52/11,738.44 = 2,279.36/x
  3. Step 3: Cross multiply
    7,827.52x = 11,738.44 × 2,279.36
  4. Step 4: Simplify right side
    7,827.52x = 26,756,130.60
  5. Step 5: Solve for x
    x = 26,756,130.60/7,827.52
  6. Step 6: Final answer
    x = 3,418.21

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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.