Home / 6,836.36-10,255.90-2,156.80

Finding the Fourth Proportional to 6,836.36, 10,255.90 and 2,156.80

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Solution

The fourth proportional to 6,836.36, 10,255.90 and 2,156.80 is: 3,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.36 : 10,255.90 = 2,156.80 : x
  2. Step 2: Convert to fraction form
    6,836.36/10,255.90 = 2,156.80/x
  3. Step 3: Cross multiply
    6,836.36x = 10,255.90 × 2,156.80
  4. Step 4: Simplify right side
    6,836.36x = 22,119,925.12
  5. Step 5: Solve for x
    x = 22,119,925.12/6,836.36
  6. Step 6: Final answer
    x = 3,235.63

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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.