Home / 4,988.54-7,485.35-3,323.80

Finding the Fourth Proportional to 4,988.54, 7,485.35 and 3,323.80

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Solution

The fourth proportional to 4,988.54, 7,485.35 and 3,323.80 is: 4,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.54 : 7,485.35 = 3,323.80 : x
  2. Step 2: Convert to fraction form
    4,988.54/7,485.35 = 3,323.80/x
  3. Step 3: Cross multiply
    4,988.54x = 7,485.35 × 3,323.80
  4. Step 4: Simplify right side
    4,988.54x = 24,879,799.07
  5. Step 5: Solve for x
    x = 24,879,799.07/4,988.54
  6. Step 6: Final answer
    x = 4,987.39

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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.