Home / 4,426.28-6,639.26-1,348.20

Finding the Fourth Proportional to 4,426.28, 6,639.26 and 1,348.20

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Solution

The fourth proportional to 4,426.28, 6,639.26 and 1,348.20 is: 2,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.28 : 6,639.26 = 1,348.20 : x
  2. Step 2: Convert to fraction form
    4,426.28/6,639.26 = 1,348.20/x
  3. Step 3: Cross multiply
    4,426.28x = 6,639.26 × 1,348.20
  4. Step 4: Simplify right side
    4,426.28x = 8,951,050.33
  5. Step 5: Solve for x
    x = 8,951,050.33/4,426.28
  6. Step 6: Final answer
    x = 2,022.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.