Home / 4,991.59-6,885.34-3,198.46

Finding the Fourth Proportional to 4,991.59, 6,885.34 and 3,198.46

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Solution

The fourth proportional to 4,991.59, 6,885.34 and 3,198.46 is: 4,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.59 : 6,885.34 = 3,198.46 : x
  2. Step 2: Convert to fraction form
    4,991.59/6,885.34 = 3,198.46/x
  3. Step 3: Cross multiply
    4,991.59x = 6,885.34 × 3,198.46
  4. Step 4: Simplify right side
    4,991.59x = 22,022,491.64
  5. Step 5: Solve for x
    x = 22,022,491.64/4,991.59
  6. Step 6: Final answer
    x = 4,411.92

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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.