Home / 7,728.06-11,592.32-3,047.88

Finding the Fourth Proportional to 7,728.06, 11,592.32 and 3,047.88

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Solution

The fourth proportional to 7,728.06, 11,592.32 and 3,047.88 is: 4,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.06 : 11,592.32 = 3,047.88 : x
  2. Step 2: Convert to fraction form
    7,728.06/11,592.32 = 3,047.88/x
  3. Step 3: Cross multiply
    7,728.06x = 11,592.32 × 3,047.88
  4. Step 4: Simplify right side
    7,728.06x = 35,331,963.31
  5. Step 5: Solve for x
    x = 35,331,963.31/7,728.06
  6. Step 6: Final answer
    x = 4,571.91

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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.