Home / 4,279.04-6,418.56-1,200.96

Finding the Fourth Proportional to 4,279.04, 6,418.56 and 1,200.96

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Solution

The fourth proportional to 4,279.04, 6,418.56 and 1,200.96 is: 1,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.04 : 6,418.56 = 1,200.96 : x
  2. Step 2: Convert to fraction form
    4,279.04/6,418.56 = 1,200.96/x
  3. Step 3: Cross multiply
    4,279.04x = 6,418.56 × 1,200.96
  4. Step 4: Simplify right side
    4,279.04x = 7,708,433.82
  5. Step 5: Solve for x
    x = 7,708,433.82/4,279.04
  6. Step 6: Final answer
    x = 1,801.44

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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.