Home / 4,743.42-7,112.06-1,972.02

Finding the Fourth Proportional to 4,743.42, 7,112.06 and 1,972.02

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Solution

The fourth proportional to 4,743.42, 7,112.06 and 1,972.02 is: 2,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.42 : 7,112.06 = 1,972.02 : x
  2. Step 2: Convert to fraction form
    4,743.42/7,112.06 = 1,972.02/x
  3. Step 3: Cross multiply
    4,743.42x = 7,112.06 × 1,972.02
  4. Step 4: Simplify right side
    4,743.42x = 14,025,124.56
  5. Step 5: Solve for x
    x = 14,025,124.56/4,743.42
  6. Step 6: Final answer
    x = 2,956.75

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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.