Home / 5,628.44-8,439.42-1,731.80

Finding the Fourth Proportional to 5,628.44, 8,439.42 and 1,731.80

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Solution

The fourth proportional to 5,628.44, 8,439.42 and 1,731.80 is: 2,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.44 : 8,439.42 = 1,731.80 : x
  2. Step 2: Convert to fraction form
    5,628.44/8,439.42 = 1,731.80/x
  3. Step 3: Cross multiply
    5,628.44x = 8,439.42 × 1,731.80
  4. Step 4: Simplify right side
    5,628.44x = 14,615,387.56
  5. Step 5: Solve for x
    x = 14,615,387.56/5,628.44
  6. Step 6: Final answer
    x = 2,596.70

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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.