Home / 4,428.10-6,112.32-2,750.80

Finding the Fourth Proportional to 4,428.10, 6,112.32 and 2,750.80

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Solution

The fourth proportional to 4,428.10, 6,112.32 and 2,750.80 is: 3,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.10 : 6,112.32 = 2,750.80 : x
  2. Step 2: Convert to fraction form
    4,428.10/6,112.32 = 2,750.80/x
  3. Step 3: Cross multiply
    4,428.10x = 6,112.32 × 2,750.80
  4. Step 4: Simplify right side
    4,428.10x = 16,813,769.86
  5. Step 5: Solve for x
    x = 16,813,769.86/4,428.10
  6. Step 6: Final answer
    x = 3,797.06

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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.