Home / 6,827.10-10,240.77-2,147.01

Finding the Fourth Proportional to 6,827.10, 10,240.77 and 2,147.01

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Solution

The fourth proportional to 6,827.10, 10,240.77 and 2,147.01 is: 3,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.10 : 10,240.77 = 2,147.01 : x
  2. Step 2: Convert to fraction form
    6,827.10/10,240.77 = 2,147.01/x
  3. Step 3: Cross multiply
    6,827.10x = 10,240.77 × 2,147.01
  4. Step 4: Simplify right side
    6,827.10x = 21,987,035.60
  5. Step 5: Solve for x
    x = 21,987,035.60/6,827.10
  6. Step 6: Final answer
    x = 3,220.55

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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.