Home / 4,743.12-7,100.64-3,100.44

Finding the Fourth Proportional to 4,743.12, 7,100.64 and 3,100.44

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Solution

The fourth proportional to 4,743.12, 7,100.64 and 3,100.44 is: 4,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.12 : 7,100.64 = 3,100.44 : x
  2. Step 2: Convert to fraction form
    4,743.12/7,100.64 = 3,100.44/x
  3. Step 3: Cross multiply
    4,743.12x = 7,100.64 × 3,100.44
  4. Step 4: Simplify right side
    4,743.12x = 22,015,108.28
  5. Step 5: Solve for x
    x = 22,015,108.28/4,743.12
  6. Step 6: Final answer
    x = 4,641.48

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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.