Home / 6,920.20-10,380.48-2,536.48

Finding the Fourth Proportional to 6,920.20, 10,380.48 and 2,536.48

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Solution

The fourth proportional to 6,920.20, 10,380.48 and 2,536.48 is: 3,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.20 : 10,380.48 = 2,536.48 : x
  2. Step 2: Convert to fraction form
    6,920.20/10,380.48 = 2,536.48/x
  3. Step 3: Cross multiply
    6,920.20x = 10,380.48 × 2,536.48
  4. Step 4: Simplify right side
    6,920.20x = 26,329,879.91
  5. Step 5: Solve for x
    x = 26,329,879.91/6,920.20
  6. Step 6: Final answer
    x = 3,804.79

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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.