Home / 6,838.43-10,257.63-2,158.80

Finding the Fourth Proportional to 6,838.43, 10,257.63 and 2,158.80

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Solution

The fourth proportional to 6,838.43, 10,257.63 and 2,158.80 is: 3,238.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.43 : 10,257.63 = 2,158.80 : x
  2. Step 2: Convert to fraction form
    6,838.43/10,257.63 = 2,158.80/x
  3. Step 3: Cross multiply
    6,838.43x = 10,257.63 × 2,158.80
  4. Step 4: Simplify right side
    6,838.43x = 22,144,120.36
  5. Step 5: Solve for x
    x = 22,144,120.36/6,838.43
  6. Step 6: Final answer
    x = 3,238.19

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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.