Home / 4,188.76-6,283.18-1,722.61

Finding the Fourth Proportional to 4,188.76, 6,283.18 and 1,722.61

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Solution

The fourth proportional to 4,188.76, 6,283.18 and 1,722.61 is: 2,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.76 : 6,283.18 = 1,722.61 : x
  2. Step 2: Convert to fraction form
    4,188.76/6,283.18 = 1,722.61/x
  3. Step 3: Cross multiply
    4,188.76x = 6,283.18 × 1,722.61
  4. Step 4: Simplify right side
    4,188.76x = 10,823,472.25
  5. Step 5: Solve for x
    x = 10,823,472.25/4,188.76
  6. Step 6: Final answer
    x = 2,583.93

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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.