Home / 5,343.21-7,375.60-3,218.83

Finding the Fourth Proportional to 5,343.21, 7,375.60 and 3,218.83

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Solution

The fourth proportional to 5,343.21, 7,375.60 and 3,218.83 is: 4,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.21 : 7,375.60 = 3,218.83 : x
  2. Step 2: Convert to fraction form
    5,343.21/7,375.60 = 3,218.83/x
  3. Step 3: Cross multiply
    5,343.21x = 7,375.60 × 3,218.83
  4. Step 4: Simplify right side
    5,343.21x = 23,740,810.60
  5. Step 5: Solve for x
    x = 23,740,810.60/5,343.21
  6. Step 6: Final answer
    x = 4,443.17

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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.