Home / 4,644.45-6,967.89-1,722.78

Finding the Fourth Proportional to 4,644.45, 6,967.89 and 1,722.78

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Solution

The fourth proportional to 4,644.45, 6,967.89 and 1,722.78 is: 2,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.45 : 6,967.89 = 1,722.78 : x
  2. Step 2: Convert to fraction form
    4,644.45/6,967.89 = 1,722.78/x
  3. Step 3: Cross multiply
    4,644.45x = 6,967.89 × 1,722.78
  4. Step 4: Simplify right side
    4,644.45x = 12,004,141.53
  5. Step 5: Solve for x
    x = 12,004,141.53/4,644.45
  6. Step 6: Final answer
    x = 2,584.62

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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.