Home / 6,820.80-10,229.58-4,628.94

Finding the Fourth Proportional to 6,820.80, 10,229.58 and 4,628.94

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Solution

The fourth proportional to 6,820.80, 10,229.58 and 4,628.94 is: 6,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.80 : 10,229.58 = 4,628.94 : x
  2. Step 2: Convert to fraction form
    6,820.80/10,229.58 = 4,628.94/x
  3. Step 3: Cross multiply
    6,820.80x = 10,229.58 × 4,628.94
  4. Step 4: Simplify right side
    6,820.80x = 47,352,112.05
  5. Step 5: Solve for x
    x = 47,352,112.05/6,820.80
  6. Step 6: Final answer
    x = 6,942.31

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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.