Home / 5,350.70-7,383.75-3,112.64

Finding the Fourth Proportional to 5,350.70, 7,383.75 and 3,112.64

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Solution

The fourth proportional to 5,350.70, 7,383.75 and 3,112.64 is: 4,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.70 : 7,383.75 = 3,112.64 : x
  2. Step 2: Convert to fraction form
    5,350.70/7,383.75 = 3,112.64/x
  3. Step 3: Cross multiply
    5,350.70x = 7,383.75 × 3,112.64
  4. Step 4: Simplify right side
    5,350.70x = 22,982,955.60
  5. Step 5: Solve for x
    x = 22,982,955.60/5,350.70
  6. Step 6: Final answer
    x = 4,295.32

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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.