Home / 4,620.33-6,930.45-2,153.79

Finding the Fourth Proportional to 4,620.33, 6,930.45 and 2,153.79

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Solution

The fourth proportional to 4,620.33, 6,930.45 and 2,153.79 is: 3,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.33 : 6,930.45 = 2,153.79 : x
  2. Step 2: Convert to fraction form
    4,620.33/6,930.45 = 2,153.79/x
  3. Step 3: Cross multiply
    4,620.33x = 6,930.45 × 2,153.79
  4. Step 4: Simplify right side
    4,620.33x = 14,926,733.91
  5. Step 5: Solve for x
    x = 14,926,733.91/4,620.33
  6. Step 6: Final answer
    x = 3,230.66

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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.