Home / 6,414-9,621.45-1,797.36

Finding the Fourth Proportional to 6,414, 9,621.45 and 1,797.36

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Solution

The fourth proportional to 6,414, 9,621.45 and 1,797.36 is: 2,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414 : 9,621.45 = 1,797.36 : x
  2. Step 2: Convert to fraction form
    6,414/9,621.45 = 1,797.36/x
  3. Step 3: Cross multiply
    6,414x = 9,621.45 × 1,797.36
  4. Step 4: Simplify right side
    6,414x = 17,293,209.37
  5. Step 5: Solve for x
    x = 17,293,209.37/6,414
  6. Step 6: Final answer
    x = 2,696.17

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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.