Home / 6,789.61-10,181.34-2,108.23

Finding the Fourth Proportional to 6,789.61, 10,181.34 and 2,108.23

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Solution

The fourth proportional to 6,789.61, 10,181.34 and 2,108.23 is: 3,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.61 : 10,181.34 = 2,108.23 : x
  2. Step 2: Convert to fraction form
    6,789.61/10,181.34 = 2,108.23/x
  3. Step 3: Cross multiply
    6,789.61x = 10,181.34 × 2,108.23
  4. Step 4: Simplify right side
    6,789.61x = 21,464,643.92
  5. Step 5: Solve for x
    x = 21,464,643.92/6,789.61
  6. Step 6: Final answer
    x = 3,161.40

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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.