Home / 5,406.24-7,453.80-3,728.28

Finding the Fourth Proportional to 5,406.24, 7,453.80 and 3,728.28

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Solution

The fourth proportional to 5,406.24, 7,453.80 and 3,728.28 is: 5,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.24 : 7,453.80 = 3,728.28 : x
  2. Step 2: Convert to fraction form
    5,406.24/7,453.80 = 3,728.28/x
  3. Step 3: Cross multiply
    5,406.24x = 7,453.80 × 3,728.28
  4. Step 4: Simplify right side
    5,406.24x = 27,789,853.46
  5. Step 5: Solve for x
    x = 27,789,853.46/5,406.24
  6. Step 6: Final answer
    x = 5,140.33

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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.