Home / 4,936.79-6,812.89-2,698.76

Finding the Fourth Proportional to 4,936.79, 6,812.89 and 2,698.76

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Solution

The fourth proportional to 4,936.79, 6,812.89 and 2,698.76 is: 3,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.79 : 6,812.89 = 2,698.76 : x
  2. Step 2: Convert to fraction form
    4,936.79/6,812.89 = 2,698.76/x
  3. Step 3: Cross multiply
    4,936.79x = 6,812.89 × 2,698.76
  4. Step 4: Simplify right side
    4,936.79x = 18,386,365.30
  5. Step 5: Solve for x
    x = 18,386,365.30/4,936.79
  6. Step 6: Final answer
    x = 3,724.35

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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.