Home / 4,420.55-6,629.80-1,954.03

Finding the Fourth Proportional to 4,420.55, 6,629.80 and 1,954.03

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Solution

The fourth proportional to 4,420.55, 6,629.80 and 1,954.03 is: 2,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.55 : 6,629.80 = 1,954.03 : x
  2. Step 2: Convert to fraction form
    4,420.55/6,629.80 = 1,954.03/x
  3. Step 3: Cross multiply
    4,420.55x = 6,629.80 × 1,954.03
  4. Step 4: Simplify right side
    4,420.55x = 12,954,785.17
  5. Step 5: Solve for x
    x = 12,954,785.17/4,420.55
  6. Step 6: Final answer
    x = 2,930.58

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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.