Home / 6,412.24-9,618.36-3,293.20

Finding the Fourth Proportional to 6,412.24, 9,618.36 and 3,293.20

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Solution

The fourth proportional to 6,412.24, 9,618.36 and 3,293.20 is: 4,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.24 : 9,618.36 = 3,293.20 : x
  2. Step 2: Convert to fraction form
    6,412.24/9,618.36 = 3,293.20/x
  3. Step 3: Cross multiply
    6,412.24x = 9,618.36 × 3,293.20
  4. Step 4: Simplify right side
    6,412.24x = 31,675,183.15
  5. Step 5: Solve for x
    x = 31,675,183.15/6,412.24
  6. Step 6: Final answer
    x = 4,939.80

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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.