Home / 7,428.16-11,142.44-2,162.96

Finding the Fourth Proportional to 7,428.16, 11,142.44 and 2,162.96

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Solution

The fourth proportional to 7,428.16, 11,142.44 and 2,162.96 is: 3,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.16 : 11,142.44 = 2,162.96 : x
  2. Step 2: Convert to fraction form
    7,428.16/11,142.44 = 2,162.96/x
  3. Step 3: Cross multiply
    7,428.16x = 11,142.44 × 2,162.96
  4. Step 4: Simplify right side
    7,428.16x = 24,100,585.50
  5. Step 5: Solve for x
    x = 24,100,585.50/7,428.16
  6. Step 6: Final answer
    x = 3,244.49

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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.