Home / 5,350.34-7,383.53-3,112.22

Finding the Fourth Proportional to 5,350.34, 7,383.53 and 3,112.22

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Solution

The fourth proportional to 5,350.34, 7,383.53 and 3,112.22 is: 4,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.34 : 7,383.53 = 3,112.22 : x
  2. Step 2: Convert to fraction form
    5,350.34/7,383.53 = 3,112.22/x
  3. Step 3: Cross multiply
    5,350.34x = 7,383.53 × 3,112.22
  4. Step 4: Simplify right side
    5,350.34x = 22,979,169.74
  5. Step 5: Solve for x
    x = 22,979,169.74/5,350.34
  6. Step 6: Final answer
    x = 4,294.90

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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.