Home / 4,685.45-7,027.22-1,722.88

Finding the Fourth Proportional to 4,685.45, 7,027.22 and 1,722.88

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Solution

The fourth proportional to 4,685.45, 7,027.22 and 1,722.88 is: 2,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.45 : 7,027.22 = 1,722.88 : x
  2. Step 2: Convert to fraction form
    4,685.45/7,027.22 = 1,722.88/x
  3. Step 3: Cross multiply
    4,685.45x = 7,027.22 × 1,722.88
  4. Step 4: Simplify right side
    4,685.45x = 12,107,056.79
  5. Step 5: Solve for x
    x = 12,107,056.79/4,685.45
  6. Step 6: Final answer
    x = 2,583.97

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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.