Home / 6,884.48-10,329.24-2,989.28

Finding the Fourth Proportional to 6,884.48, 10,329.24 and 2,989.28

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Solution

The fourth proportional to 6,884.48, 10,329.24 and 2,989.28 is: 4,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.48 : 10,329.24 = 2,989.28 : x
  2. Step 2: Convert to fraction form
    6,884.48/10,329.24 = 2,989.28/x
  3. Step 3: Cross multiply
    6,884.48x = 10,329.24 × 2,989.28
  4. Step 4: Simplify right side
    6,884.48x = 30,876,990.55
  5. Step 5: Solve for x
    x = 30,876,990.55/6,884.48
  6. Step 6: Final answer
    x = 4,485.01

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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.