Home / 6,803.80-10,206.41-2,123.01

Finding the Fourth Proportional to 6,803.80, 10,206.41 and 2,123.01

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Solution

The fourth proportional to 6,803.80, 10,206.41 and 2,123.01 is: 3,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.80 : 10,206.41 = 2,123.01 : x
  2. Step 2: Convert to fraction form
    6,803.80/10,206.41 = 2,123.01/x
  3. Step 3: Cross multiply
    6,803.80x = 10,206.41 × 2,123.01
  4. Step 4: Simplify right side
    6,803.80x = 21,668,299.88
  5. Step 5: Solve for x
    x = 21,668,299.88/6,803.80
  6. Step 6: Final answer
    x = 3,184.74

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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.