Home / 9,839.04-14,760-2,912.64

Finding the Fourth Proportional to 9,839.04, 14,760 and 2,912.64

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Solution

The fourth proportional to 9,839.04, 14,760 and 2,912.64 is: 4,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.04 : 14,760 = 2,912.64 : x
  2. Step 2: Convert to fraction form
    9,839.04/14,760 = 2,912.64/x
  3. Step 3: Cross multiply
    9,839.04x = 14,760 × 2,912.64
  4. Step 4: Simplify right side
    9,839.04x = 42,990,566.40
  5. Step 5: Solve for x
    x = 42,990,566.40/9,839.04
  6. Step 6: Final answer
    x = 4,369.39

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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.