Home / 5,556.11-8,327.82-1,857.47

Finding the Fourth Proportional to 5,556.11, 8,327.82 and 1,857.47

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Solution

The fourth proportional to 5,556.11, 8,327.82 and 1,857.47 is: 2,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.11 : 8,327.82 = 1,857.47 : x
  2. Step 2: Convert to fraction form
    5,556.11/8,327.82 = 1,857.47/x
  3. Step 3: Cross multiply
    5,556.11x = 8,327.82 × 1,857.47
  4. Step 4: Simplify right side
    5,556.11x = 15,468,675.82
  5. Step 5: Solve for x
    x = 15,468,675.82/5,556.11
  6. Step 6: Final answer
    x = 2,784.08

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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.