Home / 4,986.09-6,880.78-2,717.43

Finding the Fourth Proportional to 4,986.09, 6,880.78 and 2,717.43

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Solution

The fourth proportional to 4,986.09, 6,880.78 and 2,717.43 is: 3,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.09 : 6,880.78 = 2,717.43 : x
  2. Step 2: Convert to fraction form
    4,986.09/6,880.78 = 2,717.43/x
  3. Step 3: Cross multiply
    4,986.09x = 6,880.78 × 2,717.43
  4. Step 4: Simplify right side
    4,986.09x = 18,698,041.39
  5. Step 5: Solve for x
    x = 18,698,041.39/4,986.09
  6. Step 6: Final answer
    x = 3,750.04

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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.