Home / 9,249.36-13,868.47-3,620.31

Finding the Fourth Proportional to 9,249.36, 13,868.47 and 3,620.31

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Solution

The fourth proportional to 9,249.36, 13,868.47 and 3,620.31 is: 5,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.36 : 13,868.47 = 3,620.31 : x
  2. Step 2: Convert to fraction form
    9,249.36/13,868.47 = 3,620.31/x
  3. Step 3: Cross multiply
    9,249.36x = 13,868.47 × 3,620.31
  4. Step 4: Simplify right side
    9,249.36x = 50,208,170.79
  5. Step 5: Solve for x
    x = 50,208,170.79/9,249.36
  6. Step 6: Final answer
    x = 5,428.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.