Home / 4,960.31-7,440.12-2,743.47

Finding the Fourth Proportional to 4,960.31, 7,440.12 and 2,743.47

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Solution

The fourth proportional to 4,960.31, 7,440.12 and 2,743.47 is: 4,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.31 : 7,440.12 = 2,743.47 : x
  2. Step 2: Convert to fraction form
    4,960.31/7,440.12 = 2,743.47/x
  3. Step 3: Cross multiply
    4,960.31x = 7,440.12 × 2,743.47
  4. Step 4: Simplify right side
    4,960.31x = 20,411,746.02
  5. Step 5: Solve for x
    x = 20,411,746.02/4,960.31
  6. Step 6: Final answer
    x = 4,115.02

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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.