Home / 6,950.21-10,426.79-3,989.99

Finding the Fourth Proportional to 6,950.21, 10,426.79 and 3,989.99

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Solution

The fourth proportional to 6,950.21, 10,426.79 and 3,989.99 is: 5,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,950.21 : 10,426.79 = 3,989.99 : x
  2. Step 2: Convert to fraction form
    6,950.21/10,426.79 = 3,989.99/x
  3. Step 3: Cross multiply
    6,950.21x = 10,426.79 × 3,989.99
  4. Step 4: Simplify right side
    6,950.21x = 41,602,823.87
  5. Step 5: Solve for x
    x = 41,602,823.87/6,950.21
  6. Step 6: Final answer
    x = 5,985.84

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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.