Home / 4,222.32-6,320.52-2,758.32

Finding the Fourth Proportional to 4,222.32, 6,320.52 and 2,758.32

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Solution

The fourth proportional to 4,222.32, 6,320.52 and 2,758.32 is: 4,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.32 : 6,320.52 = 2,758.32 : x
  2. Step 2: Convert to fraction form
    4,222.32/6,320.52 = 2,758.32/x
  3. Step 3: Cross multiply
    4,222.32x = 6,320.52 × 2,758.32
  4. Step 4: Simplify right side
    4,222.32x = 17,434,016.73
  5. Step 5: Solve for x
    x = 17,434,016.73/4,222.32
  6. Step 6: Final answer
    x = 4,129.01

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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.