Home / 4,163.32-6,239.58-1,972.72

Finding the Fourth Proportional to 4,163.32, 6,239.58 and 1,972.72

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Solution

The fourth proportional to 4,163.32, 6,239.58 and 1,972.72 is: 2,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.32 : 6,239.58 = 1,972.72 : x
  2. Step 2: Convert to fraction form
    4,163.32/6,239.58 = 1,972.72/x
  3. Step 3: Cross multiply
    4,163.32x = 6,239.58 × 1,972.72
  4. Step 4: Simplify right side
    4,163.32x = 12,308,944.26
  5. Step 5: Solve for x
    x = 12,308,944.26/4,163.32
  6. Step 6: Final answer
    x = 2,956.52

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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.