Home / 5,742.24-8,615.52-3,144.48

Finding the Fourth Proportional to 5,742.24, 8,615.52 and 3,144.48

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Solution

The fourth proportional to 5,742.24, 8,615.52 and 3,144.48 is: 4,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.24 : 8,615.52 = 3,144.48 : x
  2. Step 2: Convert to fraction form
    5,742.24/8,615.52 = 3,144.48/x
  3. Step 3: Cross multiply
    5,742.24x = 8,615.52 × 3,144.48
  4. Step 4: Simplify right side
    5,742.24x = 27,091,330.33
  5. Step 5: Solve for x
    x = 27,091,330.33/5,742.24
  6. Step 6: Final answer
    x = 4,717.90

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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.