Home / 6,518.37-9,778.01-2,622.79

Finding the Fourth Proportional to 6,518.37, 9,778.01 and 2,622.79

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Solution

The fourth proportional to 6,518.37, 9,778.01 and 2,622.79 is: 3,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.37 : 9,778.01 = 2,622.79 : x
  2. Step 2: Convert to fraction form
    6,518.37/9,778.01 = 2,622.79/x
  3. Step 3: Cross multiply
    6,518.37x = 9,778.01 × 2,622.79
  4. Step 4: Simplify right side
    6,518.37x = 25,645,666.85
  5. Step 5: Solve for x
    x = 25,645,666.85/6,518.37
  6. Step 6: Final answer
    x = 3,934.37

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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.