Home / 4,985.50-7,480.98-2,388.44

Finding the Fourth Proportional to 4,985.50, 7,480.98 and 2,388.44

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Solution

The fourth proportional to 4,985.50, 7,480.98 and 2,388.44 is: 3,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.50 : 7,480.98 = 2,388.44 : x
  2. Step 2: Convert to fraction form
    4,985.50/7,480.98 = 2,388.44/x
  3. Step 3: Cross multiply
    4,985.50x = 7,480.98 × 2,388.44
  4. Step 4: Simplify right side
    4,985.50x = 17,867,871.87
  5. Step 5: Solve for x
    x = 17,867,871.87/4,985.50
  6. Step 6: Final answer
    x = 3,583.97

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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.