Home / 8,450.31-12,674.65-2,605.35

Finding the Fourth Proportional to 8,450.31, 12,674.65 and 2,605.35

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Solution

The fourth proportional to 8,450.31, 12,674.65 and 2,605.35 is: 3,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.31 : 12,674.65 = 2,605.35 : x
  2. Step 2: Convert to fraction form
    8,450.31/12,674.65 = 2,605.35/x
  3. Step 3: Cross multiply
    8,450.31x = 12,674.65 × 2,605.35
  4. Step 4: Simplify right side
    8,450.31x = 33,021,822.98
  5. Step 5: Solve for x
    x = 33,021,822.98/8,450.31
  6. Step 6: Final answer
    x = 3,907.77

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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.