Home / 7,384.55-11,072.37-2,942.90

Finding the Fourth Proportional to 7,384.55, 11,072.37 and 2,942.90

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Solution

The fourth proportional to 7,384.55, 11,072.37 and 2,942.90 is: 4,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.55 : 11,072.37 = 2,942.90 : x
  2. Step 2: Convert to fraction form
    7,384.55/11,072.37 = 2,942.90/x
  3. Step 3: Cross multiply
    7,384.55x = 11,072.37 × 2,942.90
  4. Step 4: Simplify right side
    7,384.55x = 32,584,899.84
  5. Step 5: Solve for x
    x = 32,584,899.84/7,384.55
  6. Step 6: Final answer
    x = 4,412.57

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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.