Home / 5,619.75-8,429.67-1,724.46

Finding the Fourth Proportional to 5,619.75, 8,429.67 and 1,724.46

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Solution

The fourth proportional to 5,619.75, 8,429.67 and 1,724.46 is: 2,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.75 : 8,429.67 = 1,724.46 : x
  2. Step 2: Convert to fraction form
    5,619.75/8,429.67 = 1,724.46/x
  3. Step 3: Cross multiply
    5,619.75x = 8,429.67 × 1,724.46
  4. Step 4: Simplify right side
    5,619.75x = 14,536,628.73
  5. Step 5: Solve for x
    x = 14,536,628.73/5,619.75
  6. Step 6: Final answer
    x = 2,586.70

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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.