Home / 6,989.01-10,485.33-2,606.50

Finding the Fourth Proportional to 6,989.01, 10,485.33 and 2,606.50

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Solution

The fourth proportional to 6,989.01, 10,485.33 and 2,606.50 is: 3,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.01 : 10,485.33 = 2,606.50 : x
  2. Step 2: Convert to fraction form
    6,989.01/10,485.33 = 2,606.50/x
  3. Step 3: Cross multiply
    6,989.01x = 10,485.33 × 2,606.50
  4. Step 4: Simplify right side
    6,989.01x = 27,330,012.65
  5. Step 5: Solve for x
    x = 27,330,012.65/6,989.01
  6. Step 6: Final answer
    x = 3,910.43

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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.