Home / 4,986.94-6,880.28-3,097.86

Finding the Fourth Proportional to 4,986.94, 6,880.28 and 3,097.86

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Solution

The fourth proportional to 4,986.94, 6,880.28 and 3,097.86 is: 4,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.94 : 6,880.28 = 3,097.86 : x
  2. Step 2: Convert to fraction form
    4,986.94/6,880.28 = 3,097.86/x
  3. Step 3: Cross multiply
    4,986.94x = 6,880.28 × 3,097.86
  4. Step 4: Simplify right side
    4,986.94x = 21,314,144.20
  5. Step 5: Solve for x
    x = 21,314,144.20/4,986.94
  6. Step 6: Final answer
    x = 4,273.99

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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.