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Finding the Fourth Proportional to 6,330.36, 9,494.71 and 1,947.72

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Solution

The fourth proportional to 6,330.36, 9,494.71 and 1,947.72 is: 2,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.36 : 9,494.71 = 1,947.72 : x
  2. Step 2: Convert to fraction form
    6,330.36/9,494.71 = 1,947.72/x
  3. Step 3: Cross multiply
    6,330.36x = 9,494.71 × 1,947.72
  4. Step 4: Simplify right side
    6,330.36x = 18,493,036.56
  5. Step 5: Solve for x
    x = 18,493,036.56/6,330.36
  6. Step 6: Final answer
    x = 2,921.32

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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.