Home / 4,135.11-5,704.90-2,642.86

Finding the Fourth Proportional to 4,135.11, 5,704.90 and 2,642.86

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Solution

The fourth proportional to 4,135.11, 5,704.90 and 2,642.86 is: 3,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.11 : 5,704.90 = 2,642.86 : x
  2. Step 2: Convert to fraction form
    4,135.11/5,704.90 = 2,642.86/x
  3. Step 3: Cross multiply
    4,135.11x = 5,704.90 × 2,642.86
  4. Step 4: Simplify right side
    4,135.11x = 15,077,252.01
  5. Step 5: Solve for x
    x = 15,077,252.01/4,135.11
  6. Step 6: Final answer
    x = 3,646.16

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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.