Home / 8,623.40-12,933.44-3,076.72

Finding the Fourth Proportional to 8,623.40, 12,933.44 and 3,076.72

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Solution

The fourth proportional to 8,623.40, 12,933.44 and 3,076.72 is: 4,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.40 : 12,933.44 = 3,076.72 : x
  2. Step 2: Convert to fraction form
    8,623.40/12,933.44 = 3,076.72/x
  3. Step 3: Cross multiply
    8,623.40x = 12,933.44 × 3,076.72
  4. Step 4: Simplify right side
    8,623.40x = 39,792,537.34
  5. Step 5: Solve for x
    x = 39,792,537.34/8,623.40
  6. Step 6: Final answer
    x = 4,614.49

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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.