Home / 5,350.48-7,383.96-3,112.40

Finding the Fourth Proportional to 5,350.48, 7,383.96 and 3,112.40

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Solution

The fourth proportional to 5,350.48, 7,383.96 and 3,112.40 is: 4,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.48 : 7,383.96 = 3,112.40 : x
  2. Step 2: Convert to fraction form
    5,350.48/7,383.96 = 3,112.40/x
  3. Step 3: Cross multiply
    5,350.48x = 7,383.96 × 3,112.40
  4. Step 4: Simplify right side
    5,350.48x = 22,981,837.10
  5. Step 5: Solve for x
    x = 22,981,837.10/5,350.48
  6. Step 6: Final answer
    x = 4,295.29

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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.