Home / 5,144.16-7,709.76-3,686.16

Finding the Fourth Proportional to 5,144.16, 7,709.76 and 3,686.16

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Solution

The fourth proportional to 5,144.16, 7,709.76 and 3,686.16 is: 5,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.16 : 7,709.76 = 3,686.16 : x
  2. Step 2: Convert to fraction form
    5,144.16/7,709.76 = 3,686.16/x
  3. Step 3: Cross multiply
    5,144.16x = 7,709.76 × 3,686.16
  4. Step 4: Simplify right side
    5,144.16x = 28,419,408.92
  5. Step 5: Solve for x
    x = 28,419,408.92/5,144.16
  6. Step 6: Final answer
    x = 5,524.60

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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.