Home / 5,622.32-8,436.84-2,162.48

Finding the Fourth Proportional to 5,622.32, 8,436.84 and 2,162.48

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Solution

The fourth proportional to 5,622.32, 8,436.84 and 2,162.48 is: 3,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.32 : 8,436.84 = 2,162.48 : x
  2. Step 2: Convert to fraction form
    5,622.32/8,436.84 = 2,162.48/x
  3. Step 3: Cross multiply
    5,622.32x = 8,436.84 × 2,162.48
  4. Step 4: Simplify right side
    5,622.32x = 18,244,497.76
  5. Step 5: Solve for x
    x = 18,244,497.76/5,622.32
  6. Step 6: Final answer
    x = 3,245.01

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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.