Home / 4,986.12-6,881.34-2,996.76

Finding the Fourth Proportional to 4,986.12, 6,881.34 and 2,996.76

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Solution

The fourth proportional to 4,986.12, 6,881.34 and 2,996.76 is: 4,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.12 : 6,881.34 = 2,996.76 : x
  2. Step 2: Convert to fraction form
    4,986.12/6,881.34 = 2,996.76/x
  3. Step 3: Cross multiply
    4,986.12x = 6,881.34 × 2,996.76
  4. Step 4: Simplify right side
    4,986.12x = 20,621,724.46
  5. Step 5: Solve for x
    x = 20,621,724.46/4,986.12
  6. Step 6: Final answer
    x = 4,135.83

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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.