Home / 4,135.51-5,709.23-3,189.25

Finding the Fourth Proportional to 4,135.51, 5,709.23 and 3,189.25

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Solution

The fourth proportional to 4,135.51, 5,709.23 and 3,189.25 is: 4,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.51 : 5,709.23 = 3,189.25 : x
  2. Step 2: Convert to fraction form
    4,135.51/5,709.23 = 3,189.25/x
  3. Step 3: Cross multiply
    4,135.51x = 5,709.23 × 3,189.25
  4. Step 4: Simplify right side
    4,135.51x = 18,208,161.78
  5. Step 5: Solve for x
    x = 18,208,161.78/4,135.51
  6. Step 6: Final answer
    x = 4,402.88

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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.