Home / 6,830.90-10,245.43-2,149.77

Finding the Fourth Proportional to 6,830.90, 10,245.43 and 2,149.77

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Solution

The fourth proportional to 6,830.90, 10,245.43 and 2,149.77 is: 3,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,830.90 : 10,245.43 = 2,149.77 : x
  2. Step 2: Convert to fraction form
    6,830.90/10,245.43 = 2,149.77/x
  3. Step 3: Cross multiply
    6,830.90x = 10,245.43 × 2,149.77
  4. Step 4: Simplify right side
    6,830.90x = 22,025,307.30
  5. Step 5: Solve for x
    x = 22,025,307.30/6,830.90
  6. Step 6: Final answer
    x = 3,224.37

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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.