Home / 3,783.36-5,232.15-3,609.21

Finding the Fourth Proportional to 3,783.36, 5,232.15 and 3,609.21

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Solution

The fourth proportional to 3,783.36, 5,232.15 and 3,609.21 is: 4,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.36 : 5,232.15 = 3,609.21 : x
  2. Step 2: Convert to fraction form
    3,783.36/5,232.15 = 3,609.21/x
  3. Step 3: Cross multiply
    3,783.36x = 5,232.15 × 3,609.21
  4. Step 4: Simplify right side
    3,783.36x = 18,883,928.10
  5. Step 5: Solve for x
    x = 18,883,928.10/3,783.36
  6. Step 6: Final answer
    x = 4,991.31

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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.