Home / 7,028.24-10,540.40-2,643.30

Finding the Fourth Proportional to 7,028.24, 10,540.40 and 2,643.30

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Solution

The fourth proportional to 7,028.24, 10,540.40 and 2,643.30 is: 3,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.24 : 10,540.40 = 2,643.30 : x
  2. Step 2: Convert to fraction form
    7,028.24/10,540.40 = 2,643.30/x
  3. Step 3: Cross multiply
    7,028.24x = 10,540.40 × 2,643.30
  4. Step 4: Simplify right side
    7,028.24x = 27,861,426.10
  5. Step 5: Solve for x
    x = 27,861,426.10/7,028.24
  6. Step 6: Final answer
    x = 3,964.21

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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.