Home / 6,289.83-9,435.69-1,906.79

Finding the Fourth Proportional to 6,289.83, 9,435.69 and 1,906.79

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Solution

The fourth proportional to 6,289.83, 9,435.69 and 1,906.79 is: 2,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.83 : 9,435.69 = 1,906.79 : x
  2. Step 2: Convert to fraction form
    6,289.83/9,435.69 = 1,906.79/x
  3. Step 3: Cross multiply
    6,289.83x = 9,435.69 × 1,906.79
  4. Step 4: Simplify right side
    6,289.83x = 17,991,832.16
  5. Step 5: Solve for x
    x = 17,991,832.16/6,289.83
  6. Step 6: Final answer
    x = 2,860.46

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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.