Home / 6,790.85-10,184.88-1,860.11

Finding the Fourth Proportional to 6,790.85, 10,184.88 and 1,860.11

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Solution

The fourth proportional to 6,790.85, 10,184.88 and 1,860.11 is: 2,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.85 : 10,184.88 = 1,860.11 : x
  2. Step 2: Convert to fraction form
    6,790.85/10,184.88 = 1,860.11/x
  3. Step 3: Cross multiply
    6,790.85x = 10,184.88 × 1,860.11
  4. Step 4: Simplify right side
    6,790.85x = 18,944,946.21
  5. Step 5: Solve for x
    x = 18,944,946.21/6,790.85
  6. Step 6: Final answer
    x = 2,789.78

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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.