Home / 7,328.28-10,994.04-2,133.72

Finding the Fourth Proportional to 7,328.28, 10,994.04 and 2,133.72

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Solution

The fourth proportional to 7,328.28, 10,994.04 and 2,133.72 is: 3,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.28 : 10,994.04 = 2,133.72 : x
  2. Step 2: Convert to fraction form
    7,328.28/10,994.04 = 2,133.72/x
  3. Step 3: Cross multiply
    7,328.28x = 10,994.04 × 2,133.72
  4. Step 4: Simplify right side
    7,328.28x = 23,458,203.03
  5. Step 5: Solve for x
    x = 23,458,203.03/7,328.28
  6. Step 6: Final answer
    x = 3,201.05

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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.