Home / 8,620.65-12,924.83-4,173.53

Finding the Fourth Proportional to 8,620.65, 12,924.83 and 4,173.53

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Solution

The fourth proportional to 8,620.65, 12,924.83 and 4,173.53 is: 6,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.65 : 12,924.83 = 4,173.53 : x
  2. Step 2: Convert to fraction form
    8,620.65/12,924.83 = 4,173.53/x
  3. Step 3: Cross multiply
    8,620.65x = 12,924.83 × 4,173.53
  4. Step 4: Simplify right side
    8,620.65x = 53,942,093.95
  5. Step 5: Solve for x
    x = 53,942,093.95/8,620.65
  6. Step 6: Final answer
    x = 6,257.31

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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.