Home / 7,871.51-11,803.73-2,322.95

Finding the Fourth Proportional to 7,871.51, 11,803.73 and 2,322.95

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Solution

The fourth proportional to 7,871.51, 11,803.73 and 2,322.95 is: 3,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.51 : 11,803.73 = 2,322.95 : x
  2. Step 2: Convert to fraction form
    7,871.51/11,803.73 = 2,322.95/x
  3. Step 3: Cross multiply
    7,871.51x = 11,803.73 × 2,322.95
  4. Step 4: Simplify right side
    7,871.51x = 27,419,403.97
  5. Step 5: Solve for x
    x = 27,419,403.97/7,871.51
  6. Step 6: Final answer
    x = 3,483.37

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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.