Home / 3,662.20-5,490.06-3,307.96

Finding the Fourth Proportional to 3,662.20, 5,490.06 and 3,307.96

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Solution

The fourth proportional to 3,662.20, 5,490.06 and 3,307.96 is: 4,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.20 : 5,490.06 = 3,307.96 : x
  2. Step 2: Convert to fraction form
    3,662.20/5,490.06 = 3,307.96/x
  3. Step 3: Cross multiply
    3,662.20x = 5,490.06 × 3,307.96
  4. Step 4: Simplify right side
    3,662.20x = 18,160,898.88
  5. Step 5: Solve for x
    x = 18,160,898.88/3,662.20
  6. Step 6: Final answer
    x = 4,959.01

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1.5x scale

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.