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Finding the Fourth Proportional to 4,796.32, 6,620.56 and 2,932.64

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Solution

The fourth proportional to 4,796.32, 6,620.56 and 2,932.64 is: 4,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.32 : 6,620.56 = 2,932.64 : x
  2. Step 2: Convert to fraction form
    4,796.32/6,620.56 = 2,932.64/x
  3. Step 3: Cross multiply
    4,796.32x = 6,620.56 × 2,932.64
  4. Step 4: Simplify right side
    4,796.32x = 19,415,719.08
  5. Step 5: Solve for x
    x = 19,415,719.08/4,796.32
  6. Step 6: Final answer
    x = 4,048.04

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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.