Home / 8,629.27-12,934.43-4,923.42

Finding the Fourth Proportional to 8,629.27, 12,934.43 and 4,923.42

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Solution

The fourth proportional to 8,629.27, 12,934.43 and 4,923.42 is: 7,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.27 : 12,934.43 = 4,923.42 : x
  2. Step 2: Convert to fraction form
    8,629.27/12,934.43 = 4,923.42/x
  3. Step 3: Cross multiply
    8,629.27x = 12,934.43 × 4,923.42
  4. Step 4: Simplify right side
    8,629.27x = 63,681,631.35
  5. Step 5: Solve for x
    x = 63,681,631.35/8,629.27
  6. Step 6: Final answer
    x = 7,379.72

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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.