Home / 6,540.20-9,810.30-2,647.34

Finding the Fourth Proportional to 6,540.20, 9,810.30 and 2,647.34

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Solution

The fourth proportional to 6,540.20, 9,810.30 and 2,647.34 is: 3,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.20 : 9,810.30 = 2,647.34 : x
  2. Step 2: Convert to fraction form
    6,540.20/9,810.30 = 2,647.34/x
  3. Step 3: Cross multiply
    6,540.20x = 9,810.30 × 2,647.34
  4. Step 4: Simplify right side
    6,540.20x = 25,971,150.55
  5. Step 5: Solve for x
    x = 25,971,150.55/6,540.20
  6. Step 6: Final answer
    x = 3,971.01

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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.