Home / 6,608.65-9,118.61-3,776.95

Finding the Fourth Proportional to 6,608.65, 9,118.61 and 3,776.95

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Solution

The fourth proportional to 6,608.65, 9,118.61 and 3,776.95 is: 5,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.65 : 9,118.61 = 3,776.95 : x
  2. Step 2: Convert to fraction form
    6,608.65/9,118.61 = 3,776.95/x
  3. Step 3: Cross multiply
    6,608.65x = 9,118.61 × 3,776.95
  4. Step 4: Simplify right side
    6,608.65x = 34,440,534.04
  5. Step 5: Solve for x
    x = 34,440,534.04/6,608.65
  6. Step 6: Final answer
    x = 5,211.43

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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.