Home / 4,749.48-7,130.70-3,025.80

Finding the Fourth Proportional to 4,749.48, 7,130.70 and 3,025.80

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Solution

The fourth proportional to 4,749.48, 7,130.70 and 3,025.80 is: 4,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.48 : 7,130.70 = 3,025.80 : x
  2. Step 2: Convert to fraction form
    4,749.48/7,130.70 = 3,025.80/x
  3. Step 3: Cross multiply
    4,749.48x = 7,130.70 × 3,025.80
  4. Step 4: Simplify right side
    4,749.48x = 21,576,072.06
  5. Step 5: Solve for x
    x = 21,576,072.06/4,749.48
  6. Step 6: Final answer
    x = 4,542.83

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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.