Home / 7,380.66-11,072.61-2,186.94

Finding the Fourth Proportional to 7,380.66, 11,072.61 and 2,186.94

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Solution

The fourth proportional to 7,380.66, 11,072.61 and 2,186.94 is: 3,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.66 : 11,072.61 = 2,186.94 : x
  2. Step 2: Convert to fraction form
    7,380.66/11,072.61 = 2,186.94/x
  3. Step 3: Cross multiply
    7,380.66x = 11,072.61 × 2,186.94
  4. Step 4: Simplify right side
    7,380.66x = 24,215,133.71
  5. Step 5: Solve for x
    x = 24,215,133.71/7,380.66
  6. Step 6: Final answer
    x = 3,280.89

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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.