Home / 8,085.25-11,157.75-4,727.30

Finding the Fourth Proportional to 8,085.25, 11,157.75 and 4,727.30

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Solution

The fourth proportional to 8,085.25, 11,157.75 and 4,727.30 is: 6,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.25 : 11,157.75 = 4,727.30 : x
  2. Step 2: Convert to fraction form
    8,085.25/11,157.75 = 4,727.30/x
  3. Step 3: Cross multiply
    8,085.25x = 11,157.75 × 4,727.30
  4. Step 4: Simplify right side
    8,085.25x = 52,745,975.79
  5. Step 5: Solve for x
    x = 52,745,975.79/8,085.25
  6. Step 6: Final answer
    x = 6,523.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.