Home / 6,540.48-9,810.36-2,643.84

Finding the Fourth Proportional to 6,540.48, 9,810.36 and 2,643.84

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Solution

The fourth proportional to 6,540.48, 9,810.36 and 2,643.84 is: 3,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.48 : 9,810.36 = 2,643.84 : x
  2. Step 2: Convert to fraction form
    6,540.48/9,810.36 = 2,643.84/x
  3. Step 3: Cross multiply
    6,540.48x = 9,810.36 × 2,643.84
  4. Step 4: Simplify right side
    6,540.48x = 25,937,022.18
  5. Step 5: Solve for x
    x = 25,937,022.18/6,540.48
  6. Step 6: Final answer
    x = 3,965.61

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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.