Home / 6,206.13-8,562.31-3,969.32

Finding the Fourth Proportional to 6,206.13, 8,562.31 and 3,969.32

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Solution

The fourth proportional to 6,206.13, 8,562.31 and 3,969.32 is: 5,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.13 : 8,562.31 = 3,969.32 : x
  2. Step 2: Convert to fraction form
    6,206.13/8,562.31 = 3,969.32/x
  3. Step 3: Cross multiply
    6,206.13x = 8,562.31 × 3,969.32
  4. Step 4: Simplify right side
    6,206.13x = 33,986,495.59
  5. Step 5: Solve for x
    x = 33,986,495.59/6,206.13
  6. Step 6: Final answer
    x = 5,476.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.