Home / 5,556.60-7,665.84-3,430.62

Finding the Fourth Proportional to 5,556.60, 7,665.84 and 3,430.62

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Solution

The fourth proportional to 5,556.60, 7,665.84 and 3,430.62 is: 4,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.60 : 7,665.84 = 3,430.62 : x
  2. Step 2: Convert to fraction form
    5,556.60/7,665.84 = 3,430.62/x
  3. Step 3: Cross multiply
    5,556.60x = 7,665.84 × 3,430.62
  4. Step 4: Simplify right side
    5,556.60x = 26,298,584.02
  5. Step 5: Solve for x
    x = 26,298,584.02/5,556.60
  6. Step 6: Final answer
    x = 4,732.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.