Home / 6,819.95-10,230.60-1,889.61

Finding the Fourth Proportional to 6,819.95, 10,230.60 and 1,889.61

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Solution

The fourth proportional to 6,819.95, 10,230.60 and 1,889.61 is: 2,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.95 : 10,230.60 = 1,889.61 : x
  2. Step 2: Convert to fraction form
    6,819.95/10,230.60 = 1,889.61/x
  3. Step 3: Cross multiply
    6,819.95x = 10,230.60 × 1,889.61
  4. Step 4: Simplify right side
    6,819.95x = 19,331,844.07
  5. Step 5: Solve for x
    x = 19,331,844.07/6,819.95
  6. Step 6: Final answer
    x = 2,834.60

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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.