Home / 6,889.92-10,340.86-3,772.76

Finding the Fourth Proportional to 6,889.92, 10,340.86 and 3,772.76

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Solution

The fourth proportional to 6,889.92, 10,340.86 and 3,772.76 is: 5,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.92 : 10,340.86 = 3,772.76 : x
  2. Step 2: Convert to fraction form
    6,889.92/10,340.86 = 3,772.76/x
  3. Step 3: Cross multiply
    6,889.92x = 10,340.86 × 3,772.76
  4. Step 4: Simplify right side
    6,889.92x = 39,013,582.97
  5. Step 5: Solve for x
    x = 39,013,582.97/6,889.92
  6. Step 6: Final answer
    x = 5,662.41

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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.