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Finding the Fourth Proportional to 8,604.02, 12,907.38 and 3,673.69

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Solution

The fourth proportional to 8,604.02, 12,907.38 and 3,673.69 is: 5,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.02 : 12,907.38 = 3,673.69 : x
  2. Step 2: Convert to fraction form
    8,604.02/12,907.38 = 3,673.69/x
  3. Step 3: Cross multiply
    8,604.02x = 12,907.38 × 3,673.69
  4. Step 4: Simplify right side
    8,604.02x = 47,417,694.34
  5. Step 5: Solve for x
    x = 47,417,694.34/8,604.02
  6. Step 6: Final answer
    x = 5,511.11

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1.5x scale

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.