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Finding the Fourth Proportional to 8,552.12, 11,804.74 and 5,015.25

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Solution

The fourth proportional to 8,552.12, 11,804.74 and 5,015.25 is: 6,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.12 : 11,804.74 = 5,015.25 : x
  2. Step 2: Convert to fraction form
    8,552.12/11,804.74 = 5,015.25/x
  3. Step 3: Cross multiply
    8,552.12x = 11,804.74 × 5,015.25
  4. Step 4: Simplify right side
    8,552.12x = 59,203,709.75
  5. Step 5: Solve for x
    x = 59,203,709.75/8,552.12
  6. Step 6: Final answer
    x = 6,922.70

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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.