Home / 4,946.43-7,419.59-1,986.19

Finding the Fourth Proportional to 4,946.43, 7,419.59 and 1,986.19

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Solution

The fourth proportional to 4,946.43, 7,419.59 and 1,986.19 is: 2,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.43 : 7,419.59 = 1,986.19 : x
  2. Step 2: Convert to fraction form
    4,946.43/7,419.59 = 1,986.19/x
  3. Step 3: Cross multiply
    4,946.43x = 7,419.59 × 1,986.19
  4. Step 4: Simplify right side
    4,946.43x = 14,736,694.43
  5. Step 5: Solve for x
    x = 14,736,694.43/4,946.43
  6. Step 6: Final answer
    x = 2,979.26

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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.