Home / 7,810.09-11,712.30-2,614.75

Finding the Fourth Proportional to 7,810.09, 11,712.30 and 2,614.75

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Solution

The fourth proportional to 7,810.09, 11,712.30 and 2,614.75 is: 3,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.09 : 11,712.30 = 2,614.75 : x
  2. Step 2: Convert to fraction form
    7,810.09/11,712.30 = 2,614.75/x
  3. Step 3: Cross multiply
    7,810.09x = 11,712.30 × 2,614.75
  4. Step 4: Simplify right side
    7,810.09x = 30,624,736.43
  5. Step 5: Solve for x
    x = 30,624,736.43/7,810.09
  6. Step 6: Final answer
    x = 3,921.18

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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.