Home / 5,456.55-7,529.96-3,571.28

Finding the Fourth Proportional to 5,456.55, 7,529.96 and 3,571.28

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Solution

The fourth proportional to 5,456.55, 7,529.96 and 3,571.28 is: 4,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.55 : 7,529.96 = 3,571.28 : x
  2. Step 2: Convert to fraction form
    5,456.55/7,529.96 = 3,571.28/x
  3. Step 3: Cross multiply
    5,456.55x = 7,529.96 × 3,571.28
  4. Step 4: Simplify right side
    5,456.55x = 26,891,540.04
  5. Step 5: Solve for x
    x = 26,891,540.04/5,456.55
  6. Step 6: Final answer
    x = 4,928.30

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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.