Home / 4,485.60-6,731.86-2,266.70

Finding the Fourth Proportional to 4,485.60, 6,731.86 and 2,266.70

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Solution

The fourth proportional to 4,485.60, 6,731.86 and 2,266.70 is: 3,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.60 : 6,731.86 = 2,266.70 : x
  2. Step 2: Convert to fraction form
    4,485.60/6,731.86 = 2,266.70/x
  3. Step 3: Cross multiply
    4,485.60x = 6,731.86 × 2,266.70
  4. Step 4: Simplify right side
    4,485.60x = 15,259,107.06
  5. Step 5: Solve for x
    x = 15,259,107.06/4,485.60
  6. Step 6: Final answer
    x = 3,401.80

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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.