Home / 4,609.06-6,912.57-1,321.42

Finding the Fourth Proportional to 4,609.06, 6,912.57 and 1,321.42

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Solution

The fourth proportional to 4,609.06, 6,912.57 and 1,321.42 is: 1,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.06 : 6,912.57 = 1,321.42 : x
  2. Step 2: Convert to fraction form
    4,609.06/6,912.57 = 1,321.42/x
  3. Step 3: Cross multiply
    4,609.06x = 6,912.57 × 1,321.42
  4. Step 4: Simplify right side
    4,609.06x = 9,134,408.25
  5. Step 5: Solve for x
    x = 9,134,408.25/4,609.06
  6. Step 6: Final answer
    x = 1,981.84

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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.