Home / 8,629.04-12,933.84-4,249.58

Finding the Fourth Proportional to 8,629.04, 12,933.84 and 4,249.58

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Solution

The fourth proportional to 8,629.04, 12,933.84 and 4,249.58 is: 6,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.04 : 12,933.84 = 4,249.58 : x
  2. Step 2: Convert to fraction form
    8,629.04/12,933.84 = 4,249.58/x
  3. Step 3: Cross multiply
    8,629.04x = 12,933.84 × 4,249.58
  4. Step 4: Simplify right side
    8,629.04x = 54,963,387.79
  5. Step 5: Solve for x
    x = 54,963,387.79/8,629.04
  6. Step 6: Final answer
    x = 6,369.58

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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.