Home / 6,929.81-9,563.19-3,786

Finding the Fourth Proportional to 6,929.81, 9,563.19 and 3,786

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Solution

The fourth proportional to 6,929.81, 9,563.19 and 3,786 is: 5,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.81 : 9,563.19 = 3,786 : x
  2. Step 2: Convert to fraction form
    6,929.81/9,563.19 = 3,786/x
  3. Step 3: Cross multiply
    6,929.81x = 9,563.19 × 3,786
  4. Step 4: Simplify right side
    6,929.81x = 36,206,237.34
  5. Step 5: Solve for x
    x = 36,206,237.34/6,929.81
  6. Step 6: Final answer
    x = 5,224.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.