Home / 7,728.26-11,594.04-3,111.26

Finding the Fourth Proportional to 7,728.26, 11,594.04 and 3,111.26

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Solution

The fourth proportional to 7,728.26, 11,594.04 and 3,111.26 is: 4,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.26 : 11,594.04 = 3,111.26 : x
  2. Step 2: Convert to fraction form
    7,728.26/11,594.04 = 3,111.26/x
  3. Step 3: Cross multiply
    7,728.26x = 11,594.04 × 3,111.26
  4. Step 4: Simplify right side
    7,728.26x = 36,072,072.89
  5. Step 5: Solve for x
    x = 36,072,072.89/7,728.26
  6. Step 6: Final answer
    x = 4,667.55

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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.