Home / 9,406.46-12,982.26-5,428.94

Finding the Fourth Proportional to 9,406.46, 12,982.26 and 5,428.94

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Solution

The fourth proportional to 9,406.46, 12,982.26 and 5,428.94 is: 7,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,406.46 : 12,982.26 = 5,428.94 : x
  2. Step 2: Convert to fraction form
    9,406.46/12,982.26 = 5,428.94/x
  3. Step 3: Cross multiply
    9,406.46x = 12,982.26 × 5,428.94
  4. Step 4: Simplify right side
    9,406.46x = 70,479,910.60
  5. Step 5: Solve for x
    x = 70,479,910.60/9,406.46
  6. Step 6: Final answer
    x = 7,492.71

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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.