Home / 6,919.35-10,378.68-2,536.48

Finding the Fourth Proportional to 6,919.35, 10,378.68 and 2,536.48

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Solution

The fourth proportional to 6,919.35, 10,378.68 and 2,536.48 is: 3,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.35 : 10,378.68 = 2,536.48 : x
  2. Step 2: Convert to fraction form
    6,919.35/10,378.68 = 2,536.48/x
  3. Step 3: Cross multiply
    6,919.35x = 10,378.68 × 2,536.48
  4. Step 4: Simplify right side
    6,919.35x = 26,325,314.25
  5. Step 5: Solve for x
    x = 26,325,314.25/6,919.35
  6. Step 6: Final answer
    x = 3,804.59

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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.