Home / 6,426.72-9,629.40-6,183.60

Finding the Fourth Proportional to 6,426.72, 9,629.40 and 6,183.60

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Solution

The fourth proportional to 6,426.72, 9,629.40 and 6,183.60 is: 9,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.72 : 9,629.40 = 6,183.60 : x
  2. Step 2: Convert to fraction form
    6,426.72/9,629.40 = 6,183.60/x
  3. Step 3: Cross multiply
    6,426.72x = 9,629.40 × 6,183.60
  4. Step 4: Simplify right side
    6,426.72x = 59,544,357.84
  5. Step 5: Solve for x
    x = 59,544,357.84/6,426.72
  6. Step 6: Final answer
    x = 9,265.12

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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.