Home / 4,133.40-6,200.70-1,359.60

Finding the Fourth Proportional to 4,133.40, 6,200.70 and 1,359.60

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Solution

The fourth proportional to 4,133.40, 6,200.70 and 1,359.60 is: 2,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,133.40 : 6,200.70 = 1,359.60 : x
  2. Step 2: Convert to fraction form
    4,133.40/6,200.70 = 1,359.60/x
  3. Step 3: Cross multiply
    4,133.40x = 6,200.70 × 1,359.60
  4. Step 4: Simplify right side
    4,133.40x = 8,430,471.72
  5. Step 5: Solve for x
    x = 8,430,471.72/4,133.40
  6. Step 6: Final answer
    x = 2,039.60

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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.