Home / 5,470.25-8,205.38-1,366.25

Finding the Fourth Proportional to 5,470.25, 8,205.38 and 1,366.25

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Solution

The fourth proportional to 5,470.25, 8,205.38 and 1,366.25 is: 2,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.25 : 8,205.38 = 1,366.25 : x
  2. Step 2: Convert to fraction form
    5,470.25/8,205.38 = 1,366.25/x
  3. Step 3: Cross multiply
    5,470.25x = 8,205.38 × 1,366.25
  4. Step 4: Simplify right side
    5,470.25x = 11,210,593.59
  5. Step 5: Solve for x
    x = 11,210,593.59/5,470.25
  6. Step 6: Final answer
    x = 2,049.38

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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.