Home / 5,643.80-8,456.41-2,519.11

Finding the Fourth Proportional to 5,643.80, 8,456.41 and 2,519.11

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Solution

The fourth proportional to 5,643.80, 8,456.41 and 2,519.11 is: 3,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.80 : 8,456.41 = 2,519.11 : x
  2. Step 2: Convert to fraction form
    5,643.80/8,456.41 = 2,519.11/x
  3. Step 3: Cross multiply
    5,643.80x = 8,456.41 × 2,519.11
  4. Step 4: Simplify right side
    5,643.80x = 21,302,627.00
  5. Step 5: Solve for x
    x = 21,302,627.00/5,643.80
  6. Step 6: Final answer
    x = 3,774.52

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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.