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Finding the Fourth Proportional to 4,956.15, 6,844.11 and 3,190.82

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Solution

The fourth proportional to 4,956.15, 6,844.11 and 3,190.82 is: 4,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.15 : 6,844.11 = 3,190.82 : x
  2. Step 2: Convert to fraction form
    4,956.15/6,844.11 = 3,190.82/x
  3. Step 3: Cross multiply
    4,956.15x = 6,844.11 × 3,190.82
  4. Step 4: Simplify right side
    4,956.15x = 21,838,323.07
  5. Step 5: Solve for x
    x = 21,838,323.07/4,956.15
  6. Step 6: Final answer
    x = 4,406.31

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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.