Home / 4,989.68-6,885.78-2,751.52

Finding the Fourth Proportional to 4,989.68, 6,885.78 and 2,751.52

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Solution

The fourth proportional to 4,989.68, 6,885.78 and 2,751.52 is: 3,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.68 : 6,885.78 = 2,751.52 : x
  2. Step 2: Convert to fraction form
    4,989.68/6,885.78 = 2,751.52/x
  3. Step 3: Cross multiply
    4,989.68x = 6,885.78 × 2,751.52
  4. Step 4: Simplify right side
    4,989.68x = 18,946,369.98
  5. Step 5: Solve for x
    x = 18,946,369.98/4,989.68
  6. Step 6: Final answer
    x = 3,797.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.