Home / 5,742.26-8,615.82-3,142.16

Finding the Fourth Proportional to 5,742.26, 8,615.82 and 3,142.16

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Solution

The fourth proportional to 5,742.26, 8,615.82 and 3,142.16 is: 4,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.26 : 8,615.82 = 3,142.16 : x
  2. Step 2: Convert to fraction form
    5,742.26/8,615.82 = 3,142.16/x
  3. Step 3: Cross multiply
    5,742.26x = 8,615.82 × 3,142.16
  4. Step 4: Simplify right side
    5,742.26x = 27,072,284.97
  5. Step 5: Solve for x
    x = 27,072,284.97/5,742.26
  6. Step 6: Final answer
    x = 4,714.57

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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.