Home / 7,871.24-11,795.82-6,220.52

Finding the Fourth Proportional to 7,871.24, 11,795.82 and 6,220.52

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Solution

The fourth proportional to 7,871.24, 11,795.82 and 6,220.52 is: 9,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.24 : 11,795.82 = 6,220.52 : x
  2. Step 2: Convert to fraction form
    7,871.24/11,795.82 = 6,220.52/x
  3. Step 3: Cross multiply
    7,871.24x = 11,795.82 × 6,220.52
  4. Step 4: Simplify right side
    7,871.24x = 73,376,134.23
  5. Step 5: Solve for x
    x = 73,376,134.23/7,871.24
  6. Step 6: Final answer
    x = 9,322.06

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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.