Home / 4,758.45-7,139.70-3,004.80

Finding the Fourth Proportional to 4,758.45, 7,139.70 and 3,004.80

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Solution

The fourth proportional to 4,758.45, 7,139.70 and 3,004.80 is: 4,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.45 : 7,139.70 = 3,004.80 : x
  2. Step 2: Convert to fraction form
    4,758.45/7,139.70 = 3,004.80/x
  3. Step 3: Cross multiply
    4,758.45x = 7,139.70 × 3,004.80
  4. Step 4: Simplify right side
    4,758.45x = 21,453,370.56
  5. Step 5: Solve for x
    x = 21,453,370.56/4,758.45
  6. Step 6: Final answer
    x = 4,508.48

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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.