Home / 5,629.96-7,769.56-3,738.28

Finding the Fourth Proportional to 5,629.96, 7,769.56 and 3,738.28

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Solution

The fourth proportional to 5,629.96, 7,769.56 and 3,738.28 is: 5,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.96 : 7,769.56 = 3,738.28 : x
  2. Step 2: Convert to fraction form
    5,629.96/7,769.56 = 3,738.28/x
  3. Step 3: Cross multiply
    5,629.96x = 7,769.56 × 3,738.28
  4. Step 4: Simplify right side
    5,629.96x = 29,044,756.46
  5. Step 5: Solve for x
    x = 29,044,756.46/5,629.96
  6. Step 6: Final answer
    x = 5,158.97

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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.