Home / 5,523.31-7,620.19-3,285.15

Finding the Fourth Proportional to 5,523.31, 7,620.19 and 3,285.15

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Solution

The fourth proportional to 5,523.31, 7,620.19 and 3,285.15 is: 4,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.31 : 7,620.19 = 3,285.15 : x
  2. Step 2: Convert to fraction form
    5,523.31/7,620.19 = 3,285.15/x
  3. Step 3: Cross multiply
    5,523.31x = 7,620.19 × 3,285.15
  4. Step 4: Simplify right side
    5,523.31x = 25,033,467.18
  5. Step 5: Solve for x
    x = 25,033,467.18/5,523.31
  6. Step 6: Final answer
    x = 4,532.33

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Double scale
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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.