Home / 6,969.25-10,454.37-2,809.28

Finding the Fourth Proportional to 6,969.25, 10,454.37 and 2,809.28

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Solution

The fourth proportional to 6,969.25, 10,454.37 and 2,809.28 is: 4,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.25 : 10,454.37 = 2,809.28 : x
  2. Step 2: Convert to fraction form
    6,969.25/10,454.37 = 2,809.28/x
  3. Step 3: Cross multiply
    6,969.25x = 10,454.37 × 2,809.28
  4. Step 4: Simplify right side
    6,969.25x = 29,369,268.15
  5. Step 5: Solve for x
    x = 29,369,268.15/6,969.25
  6. Step 6: Final answer
    x = 4,214.12

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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.