Home / 4,143-5,722.20-2,743.32

Finding the Fourth Proportional to 4,143, 5,722.20 and 2,743.32

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Solution

The fourth proportional to 4,143, 5,722.20 and 2,743.32 is: 3,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143 : 5,722.20 = 2,743.32 : x
  2. Step 2: Convert to fraction form
    4,143/5,722.20 = 2,743.32/x
  3. Step 3: Cross multiply
    4,143x = 5,722.20 × 2,743.32
  4. Step 4: Simplify right side
    4,143x = 15,697,825.70
  5. Step 5: Solve for x
    x = 15,697,825.70/4,143
  6. Step 6: Final answer
    x = 3,789.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.