Home / 4,738.45-7,109.70-2,984.80

Finding the Fourth Proportional to 4,738.45, 7,109.70 and 2,984.80

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Solution

The fourth proportional to 4,738.45, 7,109.70 and 2,984.80 is: 4,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.45 : 7,109.70 = 2,984.80 : x
  2. Step 2: Convert to fraction form
    4,738.45/7,109.70 = 2,984.80/x
  3. Step 3: Cross multiply
    4,738.45x = 7,109.70 × 2,984.80
  4. Step 4: Simplify right side
    4,738.45x = 21,221,032.56
  5. Step 5: Solve for x
    x = 21,221,032.56/4,738.45
  6. Step 6: Final answer
    x = 4,478.48

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1.5x scale

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.