Home / 4,743.48-7,114.82-2,280.28

Finding the Fourth Proportional to 4,743.48, 7,114.82 and 2,280.28

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Solution

The fourth proportional to 4,743.48, 7,114.82 and 2,280.28 is: 3,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.48 : 7,114.82 = 2,280.28 : x
  2. Step 2: Convert to fraction form
    4,743.48/7,114.82 = 2,280.28/x
  3. Step 3: Cross multiply
    4,743.48x = 7,114.82 × 2,280.28
  4. Step 4: Simplify right side
    4,743.48x = 16,223,781.75
  5. Step 5: Solve for x
    x = 16,223,781.75/4,743.48
  6. Step 6: Final answer
    x = 3,420.23

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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.