Home / 5,321.60-7,343.88-2,963.80

Finding the Fourth Proportional to 5,321.60, 7,343.88 and 2,963.80

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Solution

The fourth proportional to 5,321.60, 7,343.88 and 2,963.80 is: 4,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.60 : 7,343.88 = 2,963.80 : x
  2. Step 2: Convert to fraction form
    5,321.60/7,343.88 = 2,963.80/x
  3. Step 3: Cross multiply
    5,321.60x = 7,343.88 × 2,963.80
  4. Step 4: Simplify right side
    5,321.60x = 21,765,791.54
  5. Step 5: Solve for x
    x = 21,765,791.54/5,321.60
  6. Step 6: Final answer
    x = 4,090.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.