Home / 4,274.40-6,406.80-2,193.60

Finding the Fourth Proportional to 4,274.40, 6,406.80 and 2,193.60

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Solution

The fourth proportional to 4,274.40, 6,406.80 and 2,193.60 is: 3,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.40 : 6,406.80 = 2,193.60 : x
  2. Step 2: Convert to fraction form
    4,274.40/6,406.80 = 2,193.60/x
  3. Step 3: Cross multiply
    4,274.40x = 6,406.80 × 2,193.60
  4. Step 4: Simplify right side
    4,274.40x = 14,053,956.48
  5. Step 5: Solve for x
    x = 14,053,956.48/4,274.40
  6. Step 6: Final answer
    x = 3,287.94

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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.