Home / 7,622.46-11,431.35-2,942.10

Finding the Fourth Proportional to 7,622.46, 11,431.35 and 2,942.10

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Solution

The fourth proportional to 7,622.46, 11,431.35 and 2,942.10 is: 4,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.46 : 11,431.35 = 2,942.10 : x
  2. Step 2: Convert to fraction form
    7,622.46/11,431.35 = 2,942.10/x
  3. Step 3: Cross multiply
    7,622.46x = 11,431.35 × 2,942.10
  4. Step 4: Simplify right side
    7,622.46x = 33,632,174.84
  5. Step 5: Solve for x
    x = 33,632,174.84/7,622.46
  6. Step 6: Final answer
    x = 4,412.25

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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.