Home / 6,810.18-10,216.80-2,650.20

Finding the Fourth Proportional to 6,810.18, 10,216.80 and 2,650.20

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Solution

The fourth proportional to 6,810.18, 10,216.80 and 2,650.20 is: 3,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.18 : 10,216.80 = 2,650.20 : x
  2. Step 2: Convert to fraction form
    6,810.18/10,216.80 = 2,650.20/x
  3. Step 3: Cross multiply
    6,810.18x = 10,216.80 × 2,650.20
  4. Step 4: Simplify right side
    6,810.18x = 27,076,563.36
  5. Step 5: Solve for x
    x = 27,076,563.36/6,810.18
  6. Step 6: Final answer
    x = 3,975.90

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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.