Home / 6,835.20-10,247.68-2,891.09

Finding the Fourth Proportional to 6,835.20, 10,247.68 and 2,891.09

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Solution

The fourth proportional to 6,835.20, 10,247.68 and 2,891.09 is: 4,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,835.20 : 10,247.68 = 2,891.09 : x
  2. Step 2: Convert to fraction form
    6,835.20/10,247.68 = 2,891.09/x
  3. Step 3: Cross multiply
    6,835.20x = 10,247.68 × 2,891.09
  4. Step 4: Simplify right side
    6,835.20x = 29,626,906.71
  5. Step 5: Solve for x
    x = 29,626,906.71/6,835.20
  6. Step 6: Final answer
    x = 4,334.46

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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.