Home / 4,743.43-7,112.21-1,972.01

Finding the Fourth Proportional to 4,743.43, 7,112.21 and 1,972.01

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Solution

The fourth proportional to 4,743.43, 7,112.21 and 1,972.01 is: 2,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.43 : 7,112.21 = 1,972.01 : x
  2. Step 2: Convert to fraction form
    4,743.43/7,112.21 = 1,972.01/x
  3. Step 3: Cross multiply
    4,743.43x = 7,112.21 × 1,972.01
  4. Step 4: Simplify right side
    4,743.43x = 14,025,357.16
  5. Step 5: Solve for x
    x = 14,025,357.16/4,743.43
  6. Step 6: Final answer
    x = 2,956.80

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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.