Home / 7,867.77-11,803.25-2,603.18

Finding the Fourth Proportional to 7,867.77, 11,803.25 and 2,603.18

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Solution

The fourth proportional to 7,867.77, 11,803.25 and 2,603.18 is: 3,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.77 : 11,803.25 = 2,603.18 : x
  2. Step 2: Convert to fraction form
    7,867.77/11,803.25 = 2,603.18/x
  3. Step 3: Cross multiply
    7,867.77x = 11,803.25 × 2,603.18
  4. Step 4: Simplify right side
    7,867.77x = 30,725,912.30
  5. Step 5: Solve for x
    x = 30,725,912.30/7,867.77
  6. Step 6: Final answer
    x = 3,905.29

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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.