Home / 4,453.91-6,681.78-1,333.79

Finding the Fourth Proportional to 4,453.91, 6,681.78 and 1,333.79

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Solution

The fourth proportional to 4,453.91, 6,681.78 and 1,333.79 is: 2,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.91 : 6,681.78 = 1,333.79 : x
  2. Step 2: Convert to fraction form
    4,453.91/6,681.78 = 1,333.79/x
  3. Step 3: Cross multiply
    4,453.91x = 6,681.78 × 1,333.79
  4. Step 4: Simplify right side
    4,453.91x = 8,912,057.94
  5. Step 5: Solve for x
    x = 8,912,057.94/4,453.91
  6. Step 6: Final answer
    x = 2,000.95

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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.