Home / 4,879.28-7,304.34-3,320.84

Finding the Fourth Proportional to 4,879.28, 7,304.34 and 3,320.84

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Solution

The fourth proportional to 4,879.28, 7,304.34 and 3,320.84 is: 4,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.28 : 7,304.34 = 3,320.84 : x
  2. Step 2: Convert to fraction form
    4,879.28/7,304.34 = 3,320.84/x
  3. Step 3: Cross multiply
    4,879.28x = 7,304.34 × 3,320.84
  4. Step 4: Simplify right side
    4,879.28x = 24,256,544.45
  5. Step 5: Solve for x
    x = 24,256,544.45/4,879.28
  6. Step 6: Final answer
    x = 4,971.34

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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.