Home / 4,682.20-7,028.70-2,835.40

Finding the Fourth Proportional to 4,682.20, 7,028.70 and 2,835.40

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Solution

The fourth proportional to 4,682.20, 7,028.70 and 2,835.40 is: 4,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.20 : 7,028.70 = 2,835.40 : x
  2. Step 2: Convert to fraction form
    4,682.20/7,028.70 = 2,835.40/x
  3. Step 3: Cross multiply
    4,682.20x = 7,028.70 × 2,835.40
  4. Step 4: Simplify right side
    4,682.20x = 19,929,175.98
  5. Step 5: Solve for x
    x = 19,929,175.98/4,682.20
  6. Step 6: Final answer
    x = 4,256.37

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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.