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Finding the Fourth Proportional to 6,812.70, 10,219.05 and 4,844.40

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Solution

The fourth proportional to 6,812.70, 10,219.05 and 4,844.40 is: 7,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.70 : 10,219.05 = 4,844.40 : x
  2. Step 2: Convert to fraction form
    6,812.70/10,219.05 = 4,844.40/x
  3. Step 3: Cross multiply
    6,812.70x = 10,219.05 × 4,844.40
  4. Step 4: Simplify right side
    6,812.70x = 49,505,165.82
  5. Step 5: Solve for x
    x = 49,505,165.82/6,812.70
  6. Step 6: Final answer
    x = 7,266.60

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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.