Home / 4,240.97-6,364.19-1,643.91

Finding the Fourth Proportional to 4,240.97, 6,364.19 and 1,643.91

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Solution

The fourth proportional to 4,240.97, 6,364.19 and 1,643.91 is: 2,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.97 : 6,364.19 = 1,643.91 : x
  2. Step 2: Convert to fraction form
    4,240.97/6,364.19 = 1,643.91/x
  3. Step 3: Cross multiply
    4,240.97x = 6,364.19 × 1,643.91
  4. Step 4: Simplify right side
    4,240.97x = 10,462,135.83
  5. Step 5: Solve for x
    x = 10,462,135.83/4,240.97
  6. Step 6: Final answer
    x = 2,466.92

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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.