Home / 6,540.36-9,810.48-2,643.72

Finding the Fourth Proportional to 6,540.36, 9,810.48 and 2,643.72

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Solution

The fourth proportional to 6,540.36, 9,810.48 and 2,643.72 is: 3,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.36 : 9,810.48 = 2,643.72 : x
  2. Step 2: Convert to fraction form
    6,540.36/9,810.48 = 2,643.72/x
  3. Step 3: Cross multiply
    6,540.36x = 9,810.48 × 2,643.72
  4. Step 4: Simplify right side
    6,540.36x = 25,936,162.19
  5. Step 5: Solve for x
    x = 25,936,162.19/6,540.36
  6. Step 6: Final answer
    x = 3,965.56

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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.