Home / 4,986.81-6,881.81-2,998.50

Finding the Fourth Proportional to 4,986.81, 6,881.81 and 2,998.50

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Solution

The fourth proportional to 4,986.81, 6,881.81 and 2,998.50 is: 4,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.81 : 6,881.81 = 2,998.50 : x
  2. Step 2: Convert to fraction form
    4,986.81/6,881.81 = 2,998.50/x
  3. Step 3: Cross multiply
    4,986.81x = 6,881.81 × 2,998.50
  4. Step 4: Simplify right side
    4,986.81x = 20,635,092.29
  5. Step 5: Solve for x
    x = 20,635,092.29/4,986.81
  6. Step 6: Final answer
    x = 4,137.94

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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.