Home / 7,458.21-11,186.61-2,527.89

Finding the Fourth Proportional to 7,458.21, 11,186.61 and 2,527.89

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Solution

The fourth proportional to 7,458.21, 11,186.61 and 2,527.89 is: 3,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.21 : 11,186.61 = 2,527.89 : x
  2. Step 2: Convert to fraction form
    7,458.21/11,186.61 = 2,527.89/x
  3. Step 3: Cross multiply
    7,458.21x = 11,186.61 × 2,527.89
  4. Step 4: Simplify right side
    7,458.21x = 28,278,519.55
  5. Step 5: Solve for x
    x = 28,278,519.55/7,458.21
  6. Step 6: Final answer
    x = 3,791.60

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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.