Home / 6,830.65-10,229.55-3,900.07

Finding the Fourth Proportional to 6,830.65, 10,229.55 and 3,900.07

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Solution

The fourth proportional to 6,830.65, 10,229.55 and 3,900.07 is: 5,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,830.65 : 10,229.55 = 3,900.07 : x
  2. Step 2: Convert to fraction form
    6,830.65/10,229.55 = 3,900.07/x
  3. Step 3: Cross multiply
    6,830.65x = 10,229.55 × 3,900.07
  4. Step 4: Simplify right side
    6,830.65x = 39,895,961.07
  5. Step 5: Solve for x
    x = 39,895,961.07/6,830.65
  6. Step 6: Final answer
    x = 5,840.73

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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.