Home / 4,440.62-6,660.88-1,320.64

Finding the Fourth Proportional to 4,440.62, 6,660.88 and 1,320.64

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Solution

The fourth proportional to 4,440.62, 6,660.88 and 1,320.64 is: 1,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.62 : 6,660.88 = 1,320.64 : x
  2. Step 2: Convert to fraction form
    4,440.62/6,660.88 = 1,320.64/x
  3. Step 3: Cross multiply
    4,440.62x = 6,660.88 × 1,320.64
  4. Step 4: Simplify right side
    4,440.62x = 8,796,624.56
  5. Step 5: Solve for x
    x = 8,796,624.56/4,440.62
  6. Step 6: Final answer
    x = 1,980.95

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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.