Home / 4,326.41-6,490.07-1,986.02

Finding the Fourth Proportional to 4,326.41, 6,490.07 and 1,986.02

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Solution

The fourth proportional to 4,326.41, 6,490.07 and 1,986.02 is: 2,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.41 : 6,490.07 = 1,986.02 : x
  2. Step 2: Convert to fraction form
    4,326.41/6,490.07 = 1,986.02/x
  3. Step 3: Cross multiply
    4,326.41x = 6,490.07 × 1,986.02
  4. Step 4: Simplify right side
    4,326.41x = 12,889,366.44
  5. Step 5: Solve for x
    x = 12,889,366.44/4,326.41
  6. Step 6: Final answer
    x = 2,979.23

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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.