Home / 6,911.40-10,350.54-3,786.72

Finding the Fourth Proportional to 6,911.40, 10,350.54 and 3,786.72

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Solution

The fourth proportional to 6,911.40, 10,350.54 and 3,786.72 is: 5,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.40 : 10,350.54 = 3,786.72 : x
  2. Step 2: Convert to fraction form
    6,911.40/10,350.54 = 3,786.72/x
  3. Step 3: Cross multiply
    6,911.40x = 10,350.54 × 3,786.72
  4. Step 4: Simplify right side
    6,911.40x = 39,194,596.83
  5. Step 5: Solve for x
    x = 39,194,596.83/6,911.40
  6. Step 6: Final answer
    x = 5,671.01

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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.