Home / 7,728.62-11,594.36-3,512.17

Finding the Fourth Proportional to 7,728.62, 11,594.36 and 3,512.17

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Solution

The fourth proportional to 7,728.62, 11,594.36 and 3,512.17 is: 5,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.62 : 11,594.36 = 3,512.17 : x
  2. Step 2: Convert to fraction form
    7,728.62/11,594.36 = 3,512.17/x
  3. Step 3: Cross multiply
    7,728.62x = 11,594.36 × 3,512.17
  4. Step 4: Simplify right side
    7,728.62x = 40,721,343.16
  5. Step 5: Solve for x
    x = 40,721,343.16/7,728.62
  6. Step 6: Final answer
    x = 5,268.91

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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.