Home / 4,188.48-6,280.60-1,722.63

Finding the Fourth Proportional to 4,188.48, 6,280.60 and 1,722.63

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Solution

The fourth proportional to 4,188.48, 6,280.60 and 1,722.63 is: 2,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.48 : 6,280.60 = 1,722.63 : x
  2. Step 2: Convert to fraction form
    4,188.48/6,280.60 = 1,722.63/x
  3. Step 3: Cross multiply
    4,188.48x = 6,280.60 × 1,722.63
  4. Step 4: Simplify right side
    4,188.48x = 10,819,149.98
  5. Step 5: Solve for x
    x = 10,819,149.98/4,188.48
  6. Step 6: Final answer
    x = 2,583.07

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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.