Home / 6,859.18-10,289.37-1,928.86

Finding the Fourth Proportional to 6,859.18, 10,289.37 and 1,928.86

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Solution

The fourth proportional to 6,859.18, 10,289.37 and 1,928.86 is: 2,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.18 : 10,289.37 = 1,928.86 : x
  2. Step 2: Convert to fraction form
    6,859.18/10,289.37 = 1,928.86/x
  3. Step 3: Cross multiply
    6,859.18x = 10,289.37 × 1,928.86
  4. Step 4: Simplify right side
    6,859.18x = 19,846,735.73
  5. Step 5: Solve for x
    x = 19,846,735.73/6,859.18
  6. Step 6: Final answer
    x = 2,893.46

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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.