Home / 6,790.82-10,185.13-1,859.30

Finding the Fourth Proportional to 6,790.82, 10,185.13 and 1,859.30

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Solution

The fourth proportional to 6,790.82, 10,185.13 and 1,859.30 is: 2,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.82 : 10,185.13 = 1,859.30 : x
  2. Step 2: Convert to fraction form
    6,790.82/10,185.13 = 1,859.30/x
  3. Step 3: Cross multiply
    6,790.82x = 10,185.13 × 1,859.30
  4. Step 4: Simplify right side
    6,790.82x = 18,937,224.25
  5. Step 5: Solve for x
    x = 18,937,224.25/6,790.82
  6. Step 6: Final answer
    x = 2,788.65

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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.