Home / 6,790.90-10,186.82-1,860.14

Finding the Fourth Proportional to 6,790.90, 10,186.82 and 1,860.14

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Solution

The fourth proportional to 6,790.90, 10,186.82 and 1,860.14 is: 2,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.90 : 10,186.82 = 1,860.14 : x
  2. Step 2: Convert to fraction form
    6,790.90/10,186.82 = 1,860.14/x
  3. Step 3: Cross multiply
    6,790.90x = 10,186.82 × 1,860.14
  4. Step 4: Simplify right side
    6,790.90x = 18,948,911.35
  5. Step 5: Solve for x
    x = 18,948,911.35/6,790.90
  6. Step 6: Final answer
    x = 2,790.34

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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.