Home / 7,520.25-11,280.38-2,048.25

Finding the Fourth Proportional to 7,520.25, 11,280.38 and 2,048.25

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Solution

The fourth proportional to 7,520.25, 11,280.38 and 2,048.25 is: 3,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.25 : 11,280.38 = 2,048.25 : x
  2. Step 2: Convert to fraction form
    7,520.25/11,280.38 = 2,048.25/x
  3. Step 3: Cross multiply
    7,520.25x = 11,280.38 × 2,048.25
  4. Step 4: Simplify right side
    7,520.25x = 23,105,028.09
  5. Step 5: Solve for x
    x = 23,105,028.09/7,520.25
  6. Step 6: Final answer
    x = 3,072.38

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Half scale
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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.