Home / 4,848.96-6,686.64-3,961.92

Finding the Fourth Proportional to 4,848.96, 6,686.64 and 3,961.92

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Solution

The fourth proportional to 4,848.96, 6,686.64 and 3,961.92 is: 5,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.96 : 6,686.64 = 3,961.92 : x
  2. Step 2: Convert to fraction form
    4,848.96/6,686.64 = 3,961.92/x
  3. Step 3: Cross multiply
    4,848.96x = 6,686.64 × 3,961.92
  4. Step 4: Simplify right side
    4,848.96x = 26,491,932.75
  5. Step 5: Solve for x
    x = 26,491,932.75/4,848.96
  6. Step 6: Final answer
    x = 5,463.43

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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.