Home / 4,106.50-5,664.94-2,911.74

Finding the Fourth Proportional to 4,106.50, 5,664.94 and 2,911.74

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Solution

The fourth proportional to 4,106.50, 5,664.94 and 2,911.74 is: 4,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.50 : 5,664.94 = 2,911.74 : x
  2. Step 2: Convert to fraction form
    4,106.50/5,664.94 = 2,911.74/x
  3. Step 3: Cross multiply
    4,106.50x = 5,664.94 × 2,911.74
  4. Step 4: Simplify right side
    4,106.50x = 16,494,832.40
  5. Step 5: Solve for x
    x = 16,494,832.40/4,106.50
  6. Step 6: Final answer
    x = 4,016.76

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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.