Home / 5,556.60-8,320.32-3,602.88

Finding the Fourth Proportional to 5,556.60, 8,320.32 and 3,602.88

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Solution

The fourth proportional to 5,556.60, 8,320.32 and 3,602.88 is: 5,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.60 : 8,320.32 = 3,602.88 : x
  2. Step 2: Convert to fraction form
    5,556.60/8,320.32 = 3,602.88/x
  3. Step 3: Cross multiply
    5,556.60x = 8,320.32 × 3,602.88
  4. Step 4: Simplify right side
    5,556.60x = 29,977,114.52
  5. Step 5: Solve for x
    x = 29,977,114.52/5,556.60
  6. Step 6: Final answer
    x = 5,394.87

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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.