Home / 8,556.16-12,838.34-4,171.22

Finding the Fourth Proportional to 8,556.16, 12,838.34 and 4,171.22

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Solution

The fourth proportional to 8,556.16, 12,838.34 and 4,171.22 is: 6,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.16 : 12,838.34 = 4,171.22 : x
  2. Step 2: Convert to fraction form
    8,556.16/12,838.34 = 4,171.22/x
  3. Step 3: Cross multiply
    8,556.16x = 12,838.34 × 4,171.22
  4. Step 4: Simplify right side
    8,556.16x = 53,551,551.81
  5. Step 5: Solve for x
    x = 53,551,551.81/8,556.16
  6. Step 6: Final answer
    x = 6,258.83

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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.