Home / 8,505.20-11,736.86-4,728.54

Finding the Fourth Proportional to 8,505.20, 11,736.86 and 4,728.54

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Solution

The fourth proportional to 8,505.20, 11,736.86 and 4,728.54 is: 6,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.20 : 11,736.86 = 4,728.54 : x
  2. Step 2: Convert to fraction form
    8,505.20/11,736.86 = 4,728.54/x
  3. Step 3: Cross multiply
    8,505.20x = 11,736.86 × 4,728.54
  4. Step 4: Simplify right side
    8,505.20x = 55,498,211.98
  5. Step 5: Solve for x
    x = 55,498,211.98/8,505.20
  6. Step 6: Final answer
    x = 6,525.21

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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.