Home / 4,131.32-5,689.48-3,633.80

Finding the Fourth Proportional to 4,131.32, 5,689.48 and 3,633.80

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Solution

The fourth proportional to 4,131.32, 5,689.48 and 3,633.80 is: 5,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.32 : 5,689.48 = 3,633.80 : x
  2. Step 2: Convert to fraction form
    4,131.32/5,689.48 = 3,633.80/x
  3. Step 3: Cross multiply
    4,131.32x = 5,689.48 × 3,633.80
  4. Step 4: Simplify right side
    4,131.32x = 20,674,418.20
  5. Step 5: Solve for x
    x = 20,674,418.20/4,131.32
  6. Step 6: Final answer
    x = 5,004.32

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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.