Home / 6,859.87-10,288.42-4,245.03

Finding the Fourth Proportional to 6,859.87, 10,288.42 and 4,245.03

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Solution

The fourth proportional to 6,859.87, 10,288.42 and 4,245.03 is: 6,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.87 : 10,288.42 = 4,245.03 : x
  2. Step 2: Convert to fraction form
    6,859.87/10,288.42 = 4,245.03/x
  3. Step 3: Cross multiply
    6,859.87x = 10,288.42 × 4,245.03
  4. Step 4: Simplify right side
    6,859.87x = 43,674,640.94
  5. Step 5: Solve for x
    x = 43,674,640.94/6,859.87
  6. Step 6: Final answer
    x = 6,366.69

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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.