Home / 6,851.20-10,276.80-4,664.20

Finding the Fourth Proportional to 6,851.20, 10,276.80 and 4,664.20

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Solution

The fourth proportional to 6,851.20, 10,276.80 and 4,664.20 is: 6,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.20 : 10,276.80 = 4,664.20 : x
  2. Step 2: Convert to fraction form
    6,851.20/10,276.80 = 4,664.20/x
  3. Step 3: Cross multiply
    6,851.20x = 10,276.80 × 4,664.20
  4. Step 4: Simplify right side
    6,851.20x = 47,933,050.56
  5. Step 5: Solve for x
    x = 47,933,050.56/6,851.20
  6. Step 6: Final answer
    x = 6,996.30

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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.