Home / 5,629.64-7,769.26-3,240.42

Finding the Fourth Proportional to 5,629.64, 7,769.26 and 3,240.42

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Solution

The fourth proportional to 5,629.64, 7,769.26 and 3,240.42 is: 4,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.64 : 7,769.26 = 3,240.42 : x
  2. Step 2: Convert to fraction form
    5,629.64/7,769.26 = 3,240.42/x
  3. Step 3: Cross multiply
    5,629.64x = 7,769.26 × 3,240.42
  4. Step 4: Simplify right side
    5,629.64x = 25,175,665.49
  5. Step 5: Solve for x
    x = 25,175,665.49/5,629.64
  6. Step 6: Final answer
    x = 4,471.98

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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.