Home / 7,616.89-11,425.39-4,986.61

Finding the Fourth Proportional to 7,616.89, 11,425.39 and 4,986.61

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Solution

The fourth proportional to 7,616.89, 11,425.39 and 4,986.61 is: 7,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.89 : 11,425.39 = 4,986.61 : x
  2. Step 2: Convert to fraction form
    7,616.89/11,425.39 = 4,986.61/x
  3. Step 3: Cross multiply
    7,616.89x = 11,425.39 × 4,986.61
  4. Step 4: Simplify right side
    7,616.89x = 56,973,964.03
  5. Step 5: Solve for x
    x = 56,973,964.03/7,616.89
  6. Step 6: Final answer
    x = 7,479.95

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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.