Home / 7,823.53-11,726.79-2,889.01

Finding the Fourth Proportional to 7,823.53, 11,726.79 and 2,889.01

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Solution

The fourth proportional to 7,823.53, 11,726.79 and 2,889.01 is: 4,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.53 : 11,726.79 = 2,889.01 : x
  2. Step 2: Convert to fraction form
    7,823.53/11,726.79 = 2,889.01/x
  3. Step 3: Cross multiply
    7,823.53x = 11,726.79 × 2,889.01
  4. Step 4: Simplify right side
    7,823.53x = 33,878,813.58
  5. Step 5: Solve for x
    x = 33,878,813.58/7,823.53
  6. Step 6: Final answer
    x = 4,330.37

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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.