Home / 9,324.36-13,991.40-3,778.28

Finding the Fourth Proportional to 9,324.36, 13,991.40 and 3,778.28

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Solution

The fourth proportional to 9,324.36, 13,991.40 and 3,778.28 is: 5,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.36 : 13,991.40 = 3,778.28 : x
  2. Step 2: Convert to fraction form
    9,324.36/13,991.40 = 3,778.28/x
  3. Step 3: Cross multiply
    9,324.36x = 13,991.40 × 3,778.28
  4. Step 4: Simplify right side
    9,324.36x = 52,863,426.79
  5. Step 5: Solve for x
    x = 52,863,426.79/9,324.36
  6. Step 6: Final answer
    x = 5,669.39

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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.