Home / 4,406.40-6,604.20-1,938.60

Finding the Fourth Proportional to 4,406.40, 6,604.20 and 1,938.60

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Solution

The fourth proportional to 4,406.40, 6,604.20 and 1,938.60 is: 2,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.40 : 6,604.20 = 1,938.60 : x
  2. Step 2: Convert to fraction form
    4,406.40/6,604.20 = 1,938.60/x
  3. Step 3: Cross multiply
    4,406.40x = 6,604.20 × 1,938.60
  4. Step 4: Simplify right side
    4,406.40x = 12,802,902.12
  5. Step 5: Solve for x
    x = 12,802,902.12/4,406.40
  6. Step 6: Final answer
    x = 2,905.52

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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.