Home / 4,986.42-6,880.98-2,748.30

Finding the Fourth Proportional to 4,986.42, 6,880.98 and 2,748.30

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Solution

The fourth proportional to 4,986.42, 6,880.98 and 2,748.30 is: 3,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.42 : 6,880.98 = 2,748.30 : x
  2. Step 2: Convert to fraction form
    4,986.42/6,880.98 = 2,748.30/x
  3. Step 3: Cross multiply
    4,986.42x = 6,880.98 × 2,748.30
  4. Step 4: Simplify right side
    4,986.42x = 18,910,997.33
  5. Step 5: Solve for x
    x = 18,910,997.33/4,986.42
  6. Step 6: Final answer
    x = 3,792.50

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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.