Home / 5,556.38-8,335-1,858.62

Finding the Fourth Proportional to 5,556.38, 8,335 and 1,858.62

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Solution

The fourth proportional to 5,556.38, 8,335 and 1,858.62 is: 2,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.38 : 8,335 = 1,858.62 : x
  2. Step 2: Convert to fraction form
    5,556.38/8,335 = 1,858.62/x
  3. Step 3: Cross multiply
    5,556.38x = 8,335 × 1,858.62
  4. Step 4: Simplify right side
    5,556.38x = 15,491,597.70
  5. Step 5: Solve for x
    x = 15,491,597.70/5,556.38
  6. Step 6: Final answer
    x = 2,788.07

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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.