Home / 4,188.84-6,279.02-2,629.94

Finding the Fourth Proportional to 4,188.84, 6,279.02 and 2,629.94

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Solution

The fourth proportional to 4,188.84, 6,279.02 and 2,629.94 is: 3,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.84 : 6,279.02 = 2,629.94 : x
  2. Step 2: Convert to fraction form
    4,188.84/6,279.02 = 2,629.94/x
  3. Step 3: Cross multiply
    4,188.84x = 6,279.02 × 2,629.94
  4. Step 4: Simplify right side
    4,188.84x = 16,513,401.31
  5. Step 5: Solve for x
    x = 16,513,401.31/4,188.84
  6. Step 6: Final answer
    x = 3,942.24

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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.