Home / 7,617.53-11,426.54-2,619.85

Finding the Fourth Proportional to 7,617.53, 11,426.54 and 2,619.85

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Solution

The fourth proportional to 7,617.53, 11,426.54 and 2,619.85 is: 3,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.53 : 11,426.54 = 2,619.85 : x
  2. Step 2: Convert to fraction form
    7,617.53/11,426.54 = 2,619.85/x
  3. Step 3: Cross multiply
    7,617.53x = 11,426.54 × 2,619.85
  4. Step 4: Simplify right side
    7,617.53x = 29,935,811.63
  5. Step 5: Solve for x
    x = 29,935,811.63/7,617.53
  6. Step 6: Final answer
    x = 3,929.86

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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.