Home / 4,784.56-7,184.88-2,939.36

Finding the Fourth Proportional to 4,784.56, 7,184.88 and 2,939.36

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Solution

The fourth proportional to 4,784.56, 7,184.88 and 2,939.36 is: 4,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.56 : 7,184.88 = 2,939.36 : x
  2. Step 2: Convert to fraction form
    4,784.56/7,184.88 = 2,939.36/x
  3. Step 3: Cross multiply
    4,784.56x = 7,184.88 × 2,939.36
  4. Step 4: Simplify right side
    4,784.56x = 21,118,948.88
  5. Step 5: Solve for x
    x = 21,118,948.88/4,784.56
  6. Step 6: Final answer
    x = 4,413.98

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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.