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Finding the Fourth Proportional to 9,245.50, 12,759.11 and 5,054.02

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Solution

The fourth proportional to 9,245.50, 12,759.11 and 5,054.02 is: 6,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.50 : 12,759.11 = 5,054.02 : x
  2. Step 2: Convert to fraction form
    9,245.50/12,759.11 = 5,054.02/x
  3. Step 3: Cross multiply
    9,245.50x = 12,759.11 × 5,054.02
  4. Step 4: Simplify right side
    9,245.50x = 64,484,797.12
  5. Step 5: Solve for x
    x = 64,484,797.12/9,245.50
  6. Step 6: Final answer
    x = 6,974.72

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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.