Home / 6,886.91-10,328.00-2,725.80

Finding the Fourth Proportional to 6,886.91, 10,328.00 and 2,725.80

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Solution

The fourth proportional to 6,886.91, 10,328.00 and 2,725.80 is: 4,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.91 : 10,328.00 = 2,725.80 : x
  2. Step 2: Convert to fraction form
    6,886.91/10,328.00 = 2,725.80/x
  3. Step 3: Cross multiply
    6,886.91x = 10,328.00 × 2,725.80
  4. Step 4: Simplify right side
    6,886.91x = 28,152,048.77
  5. Step 5: Solve for x
    x = 28,152,048.77/6,886.91
  6. Step 6: Final answer
    x = 4,087.76

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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.