Home / 5,343.07-7,374.39-3,189.76

Finding the Fourth Proportional to 5,343.07, 7,374.39 and 3,189.76

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Solution

The fourth proportional to 5,343.07, 7,374.39 and 3,189.76 is: 4,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.07 : 7,374.39 = 3,189.76 : x
  2. Step 2: Convert to fraction form
    5,343.07/7,374.39 = 3,189.76/x
  3. Step 3: Cross multiply
    5,343.07x = 7,374.39 × 3,189.76
  4. Step 4: Simplify right side
    5,343.07x = 23,522,534.25
  5. Step 5: Solve for x
    x = 23,522,534.25/5,343.07
  6. Step 6: Final answer
    x = 4,402.44

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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.