Home / 4,987.03-7,481.76-2,521.79

Finding the Fourth Proportional to 4,987.03, 7,481.76 and 2,521.79

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Solution

The fourth proportional to 4,987.03, 7,481.76 and 2,521.79 is: 3,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.03 : 7,481.76 = 2,521.79 : x
  2. Step 2: Convert to fraction form
    4,987.03/7,481.76 = 2,521.79/x
  3. Step 3: Cross multiply
    4,987.03x = 7,481.76 × 2,521.79
  4. Step 4: Simplify right side
    4,987.03x = 18,867,427.55
  5. Step 5: Solve for x
    x = 18,867,427.55/4,987.03
  6. Step 6: Final answer
    x = 3,783.30

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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.