Home / 8,556.60-12,832.46-3,291.27

Finding the Fourth Proportional to 8,556.60, 12,832.46 and 3,291.27

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Solution

The fourth proportional to 8,556.60, 12,832.46 and 3,291.27 is: 4,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.60 : 12,832.46 = 3,291.27 : x
  2. Step 2: Convert to fraction form
    8,556.60/12,832.46 = 3,291.27/x
  3. Step 3: Cross multiply
    8,556.60x = 12,832.46 × 3,291.27
  4. Step 4: Simplify right side
    8,556.60x = 42,235,038.39
  5. Step 5: Solve for x
    x = 42,235,038.39/8,556.60
  6. Step 6: Final answer
    x = 4,935.96

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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.