Home / 5,342.70-7,375.38-3,810.60

Finding the Fourth Proportional to 5,342.70, 7,375.38 and 3,810.60

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Solution

The fourth proportional to 5,342.70, 7,375.38 and 3,810.60 is: 5,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.70 : 7,375.38 = 3,810.60 : x
  2. Step 2: Convert to fraction form
    5,342.70/7,375.38 = 3,810.60/x
  3. Step 3: Cross multiply
    5,342.70x = 7,375.38 × 3,810.60
  4. Step 4: Simplify right side
    5,342.70x = 28,104,623.03
  5. Step 5: Solve for x
    x = 28,104,623.03/5,342.70
  6. Step 6: Final answer
    x = 5,260.38

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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.