Home / 4,741.44-7,112.16-1,621.47

Finding the Fourth Proportional to 4,741.44, 7,112.16 and 1,621.47

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Solution

The fourth proportional to 4,741.44, 7,112.16 and 1,621.47 is: 2,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.44 : 7,112.16 = 1,621.47 : x
  2. Step 2: Convert to fraction form
    4,741.44/7,112.16 = 1,621.47/x
  3. Step 3: Cross multiply
    4,741.44x = 7,112.16 × 1,621.47
  4. Step 4: Simplify right side
    4,741.44x = 11,532,180.75
  5. Step 5: Solve for x
    x = 11,532,180.75/4,741.44
  6. Step 6: Final answer
    x = 2,432.21

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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.