Home / 6,405.35-9,608.32-1,962.69

Finding the Fourth Proportional to 6,405.35, 9,608.32 and 1,962.69

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Solution

The fourth proportional to 6,405.35, 9,608.32 and 1,962.69 is: 2,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.35 : 9,608.32 = 1,962.69 : x
  2. Step 2: Convert to fraction form
    6,405.35/9,608.32 = 1,962.69/x
  3. Step 3: Cross multiply
    6,405.35x = 9,608.32 × 1,962.69
  4. Step 4: Simplify right side
    6,405.35x = 18,858,188.39
  5. Step 5: Solve for x
    x = 18,858,188.39/6,405.35
  6. Step 6: Final answer
    x = 2,944.13

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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.