Home / 5,362.05-7,399.63-3,004.21

Finding the Fourth Proportional to 5,362.05, 7,399.63 and 3,004.21

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Solution

The fourth proportional to 5,362.05, 7,399.63 and 3,004.21 is: 4,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.05 : 7,399.63 = 3,004.21 : x
  2. Step 2: Convert to fraction form
    5,362.05/7,399.63 = 3,004.21/x
  3. Step 3: Cross multiply
    5,362.05x = 7,399.63 × 3,004.21
  4. Step 4: Simplify right side
    5,362.05x = 22,230,042.44
  5. Step 5: Solve for x
    x = 22,230,042.44/5,362.05
  6. Step 6: Final answer
    x = 4,145.81

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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.