Home / 4,976.80-7,458.90-2,512.30

Finding the Fourth Proportional to 4,976.80, 7,458.90 and 2,512.30

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Solution

The fourth proportional to 4,976.80, 7,458.90 and 2,512.30 is: 3,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.80 : 7,458.90 = 2,512.30 : x
  2. Step 2: Convert to fraction form
    4,976.80/7,458.90 = 2,512.30/x
  3. Step 3: Cross multiply
    4,976.80x = 7,458.90 × 2,512.30
  4. Step 4: Simplify right side
    4,976.80x = 18,738,994.47
  5. Step 5: Solve for x
    x = 18,738,994.47/4,976.80
  6. Step 6: Final answer
    x = 3,765.27

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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.