Home / 7,825.61-11,727.43-4,317.25

Finding the Fourth Proportional to 7,825.61, 11,727.43 and 4,317.25

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Solution

The fourth proportional to 7,825.61, 11,727.43 and 4,317.25 is: 6,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.61 : 11,727.43 = 4,317.25 : x
  2. Step 2: Convert to fraction form
    7,825.61/11,727.43 = 4,317.25/x
  3. Step 3: Cross multiply
    7,825.61x = 11,727.43 × 4,317.25
  4. Step 4: Simplify right side
    7,825.61x = 50,630,253.33
  5. Step 5: Solve for x
    x = 50,630,253.33/7,825.61
  6. Step 6: Final answer
    x = 6,469.81

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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.