Home / 8,438.14-12,650.36-3,511.46

Finding the Fourth Proportional to 8,438.14, 12,650.36 and 3,511.46

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Solution

The fourth proportional to 8,438.14, 12,650.36 and 3,511.46 is: 5,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.14 : 12,650.36 = 3,511.46 : x
  2. Step 2: Convert to fraction form
    8,438.14/12,650.36 = 3,511.46/x
  3. Step 3: Cross multiply
    8,438.14x = 12,650.36 × 3,511.46
  4. Step 4: Simplify right side
    8,438.14x = 44,421,233.13
  5. Step 5: Solve for x
    x = 44,421,233.13/8,438.14
  6. Step 6: Final answer
    x = 5,264.34

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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.