Home / 4,578.66-6,866.91-1,983.42

Finding the Fourth Proportional to 4,578.66, 6,866.91 and 1,983.42

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Solution

The fourth proportional to 4,578.66, 6,866.91 and 1,983.42 is: 2,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.66 : 6,866.91 = 1,983.42 : x
  2. Step 2: Convert to fraction form
    4,578.66/6,866.91 = 1,983.42/x
  3. Step 3: Cross multiply
    4,578.66x = 6,866.91 × 1,983.42
  4. Step 4: Simplify right side
    4,578.66x = 13,619,966.63
  5. Step 5: Solve for x
    x = 13,619,966.63/4,578.66
  6. Step 6: Final answer
    x = 2,974.66

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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.