Home / 6,790.29-10,185.95-2,109.94

Finding the Fourth Proportional to 6,790.29, 10,185.95 and 2,109.94

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Solution

The fourth proportional to 6,790.29, 10,185.95 and 2,109.94 is: 3,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.29 : 10,185.95 = 2,109.94 : x
  2. Step 2: Convert to fraction form
    6,790.29/10,185.95 = 2,109.94/x
  3. Step 3: Cross multiply
    6,790.29x = 10,185.95 × 2,109.94
  4. Step 4: Simplify right side
    6,790.29x = 21,491,773.29
  5. Step 5: Solve for x
    x = 21,491,773.29/6,790.29
  6. Step 6: Final answer
    x = 3,165.07

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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.