Home / 7,623.70-11,434.83-3,923.98

Finding the Fourth Proportional to 7,623.70, 11,434.83 and 3,923.98

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Solution

The fourth proportional to 7,623.70, 11,434.83 and 3,923.98 is: 5,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.70 : 11,434.83 = 3,923.98 : x
  2. Step 2: Convert to fraction form
    7,623.70/11,434.83 = 3,923.98/x
  3. Step 3: Cross multiply
    7,623.70x = 11,434.83 × 3,923.98
  4. Step 4: Simplify right side
    7,623.70x = 44,870,044.22
  5. Step 5: Solve for x
    x = 44,870,044.22/7,623.70
  6. Step 6: Final answer
    x = 5,885.60

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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.