Home / 6,986.54-10,476.21-2,600.90

Finding the Fourth Proportional to 6,986.54, 10,476.21 and 2,600.90

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Solution

The fourth proportional to 6,986.54, 10,476.21 and 2,600.90 is: 3,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.54 : 10,476.21 = 2,600.90 : x
  2. Step 2: Convert to fraction form
    6,986.54/10,476.21 = 2,600.90/x
  3. Step 3: Cross multiply
    6,986.54x = 10,476.21 × 2,600.90
  4. Step 4: Simplify right side
    6,986.54x = 27,247,522.21
  5. Step 5: Solve for x
    x = 27,247,522.21/6,986.54
  6. Step 6: Final answer
    x = 3,900.01

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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.