Home / 4,742.66-7,114.23-1,622.54

Finding the Fourth Proportional to 4,742.66, 7,114.23 and 1,622.54

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Solution

The fourth proportional to 4,742.66, 7,114.23 and 1,622.54 is: 2,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.66 : 7,114.23 = 1,622.54 : x
  2. Step 2: Convert to fraction form
    4,742.66/7,114.23 = 1,622.54/x
  3. Step 3: Cross multiply
    4,742.66x = 7,114.23 × 1,622.54
  4. Step 4: Simplify right side
    4,742.66x = 11,543,140.53
  5. Step 5: Solve for x
    x = 11,543,140.53/4,742.66
  6. Step 6: Final answer
    x = 2,433.89

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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.