Home / 7,623.05-11,438.94-4,113.05

Finding the Fourth Proportional to 7,623.05, 11,438.94 and 4,113.05

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Solution

The fourth proportional to 7,623.05, 11,438.94 and 4,113.05 is: 6,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.05 : 11,438.94 = 4,113.05 : x
  2. Step 2: Convert to fraction form
    7,623.05/11,438.94 = 4,113.05/x
  3. Step 3: Cross multiply
    7,623.05x = 11,438.94 × 4,113.05
  4. Step 4: Simplify right side
    7,623.05x = 47,048,874.97
  5. Step 5: Solve for x
    x = 47,048,874.97/7,623.05
  6. Step 6: Final answer
    x = 6,171.93

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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.