Home / 7,721.58-11,582.37-3,103.50

Finding the Fourth Proportional to 7,721.58, 11,582.37 and 3,103.50

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Solution

The fourth proportional to 7,721.58, 11,582.37 and 3,103.50 is: 4,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.58 : 11,582.37 = 3,103.50 : x
  2. Step 2: Convert to fraction form
    7,721.58/11,582.37 = 3,103.50/x
  3. Step 3: Cross multiply
    7,721.58x = 11,582.37 × 3,103.50
  4. Step 4: Simplify right side
    7,721.58x = 35,945,885.30
  5. Step 5: Solve for x
    x = 35,945,885.30/7,721.58
  6. Step 6: Final answer
    x = 4,655.25

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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.