Home / 7,875.09-11,812.44-3,193.85

Finding the Fourth Proportional to 7,875.09, 11,812.44 and 3,193.85

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Solution

The fourth proportional to 7,875.09, 11,812.44 and 3,193.85 is: 4,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.09 : 11,812.44 = 3,193.85 : x
  2. Step 2: Convert to fraction form
    7,875.09/11,812.44 = 3,193.85/x
  3. Step 3: Cross multiply
    7,875.09x = 11,812.44 × 3,193.85
  4. Step 4: Simplify right side
    7,875.09x = 37,727,102.43
  5. Step 5: Solve for x
    x = 37,727,102.43/7,875.09
  6. Step 6: Final answer
    x = 4,790.69

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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.