Home / 4,989.62-6,885.98-2,751.49

Finding the Fourth Proportional to 4,989.62, 6,885.98 and 2,751.49

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Solution

The fourth proportional to 4,989.62, 6,885.98 and 2,751.49 is: 3,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.62 : 6,885.98 = 2,751.49 : x
  2. Step 2: Convert to fraction form
    4,989.62/6,885.98 = 2,751.49/x
  3. Step 3: Cross multiply
    4,989.62x = 6,885.98 × 2,751.49
  4. Step 4: Simplify right side
    4,989.62x = 18,946,656.92
  5. Step 5: Solve for x
    x = 18,946,656.92/4,989.62
  6. Step 6: Final answer
    x = 3,797.22

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1.5x scale

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.