Home / 4,743.56-7,114.48-2,145.88

Finding the Fourth Proportional to 4,743.56, 7,114.48 and 2,145.88

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Solution

The fourth proportional to 4,743.56, 7,114.48 and 2,145.88 is: 3,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.56 : 7,114.48 = 2,145.88 : x
  2. Step 2: Convert to fraction form
    4,743.56/7,114.48 = 2,145.88/x
  3. Step 3: Cross multiply
    4,743.56x = 7,114.48 × 2,145.88
  4. Step 4: Simplify right side
    4,743.56x = 15,266,820.34
  5. Step 5: Solve for x
    x = 15,266,820.34/4,743.56
  6. Step 6: Final answer
    x = 3,218.43

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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.