Home / 8,396.04-12,592.67-3,129.65

Finding the Fourth Proportional to 8,396.04, 12,592.67 and 3,129.65

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Solution

The fourth proportional to 8,396.04, 12,592.67 and 3,129.65 is: 4,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.04 : 12,592.67 = 3,129.65 : x
  2. Step 2: Convert to fraction form
    8,396.04/12,592.67 = 3,129.65/x
  3. Step 3: Cross multiply
    8,396.04x = 12,592.67 × 3,129.65
  4. Step 4: Simplify right side
    8,396.04x = 39,410,672.06
  5. Step 5: Solve for x
    x = 39,410,672.06/8,396.04
  6. Step 6: Final answer
    x = 4,693.96

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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.