Home / 8,450.06-12,678.33-3,518.38

Finding the Fourth Proportional to 8,450.06, 12,678.33 and 3,518.38

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Solution

The fourth proportional to 8,450.06, 12,678.33 and 3,518.38 is: 5,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.06 : 12,678.33 = 3,518.38 : x
  2. Step 2: Convert to fraction form
    8,450.06/12,678.33 = 3,518.38/x
  3. Step 3: Cross multiply
    8,450.06x = 12,678.33 × 3,518.38
  4. Step 4: Simplify right side
    8,450.06x = 44,607,119.31
  5. Step 5: Solve for x
    x = 44,607,119.31/8,450.06
  6. Step 6: Final answer
    x = 5,278.91

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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.