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Finding the Fourth Proportional to 6,539.37, 9,809.12 and 1,608.99

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Solution

The fourth proportional to 6,539.37, 9,809.12 and 1,608.99 is: 2,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.37 : 9,809.12 = 1,608.99 : x
  2. Step 2: Convert to fraction form
    6,539.37/9,809.12 = 1,608.99/x
  3. Step 3: Cross multiply
    6,539.37x = 9,809.12 × 1,608.99
  4. Step 4: Simplify right side
    6,539.37x = 15,782,775.99
  5. Step 5: Solve for x
    x = 15,782,775.99/6,539.37
  6. Step 6: Final answer
    x = 2,413.50

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Half scale
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Double scale
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Similar ratio
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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.