Home / 4,883.59-7,324.58-1,420.03

Finding the Fourth Proportional to 4,883.59, 7,324.58 and 1,420.03

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Solution

The fourth proportional to 4,883.59, 7,324.58 and 1,420.03 is: 2,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.59 : 7,324.58 = 1,420.03 : x
  2. Step 2: Convert to fraction form
    4,883.59/7,324.58 = 1,420.03/x
  3. Step 3: Cross multiply
    4,883.59x = 7,324.58 × 1,420.03
  4. Step 4: Simplify right side
    4,883.59x = 10,401,128.06
  5. Step 5: Solve for x
    x = 10,401,128.06/4,883.59
  6. Step 6: Final answer
    x = 2,129.81

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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.