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Finding the Fourth Proportional to 8,649.79, 12,975.02 and 3,026.37

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Solution

The fourth proportional to 8,649.79, 12,975.02 and 3,026.37 is: 4,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.79 : 12,975.02 = 3,026.37 : x
  2. Step 2: Convert to fraction form
    8,649.79/12,975.02 = 3,026.37/x
  3. Step 3: Cross multiply
    8,649.79x = 12,975.02 × 3,026.37
  4. Step 4: Simplify right side
    8,649.79x = 39,267,211.28
  5. Step 5: Solve for x
    x = 39,267,211.28/8,649.79
  6. Step 6: Final answer
    x = 4,539.67

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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.