Home / 7,837.16-11,755.78-2,643.08

Finding the Fourth Proportional to 7,837.16, 11,755.78 and 2,643.08

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Solution

The fourth proportional to 7,837.16, 11,755.78 and 2,643.08 is: 3,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.16 : 11,755.78 = 2,643.08 : x
  2. Step 2: Convert to fraction form
    7,837.16/11,755.78 = 2,643.08/x
  3. Step 3: Cross multiply
    7,837.16x = 11,755.78 × 2,643.08
  4. Step 4: Simplify right side
    7,837.16x = 31,071,467.00
  5. Step 5: Solve for x
    x = 31,071,467.00/7,837.16
  6. Step 6: Final answer
    x = 3,964.63

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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.