Home / 5,072.31-7,608.47-3,328.35

Finding the Fourth Proportional to 5,072.31, 7,608.47 and 3,328.35

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Solution

The fourth proportional to 5,072.31, 7,608.47 and 3,328.35 is: 4,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.31 : 7,608.47 = 3,328.35 : x
  2. Step 2: Convert to fraction form
    5,072.31/7,608.47 = 3,328.35/x
  3. Step 3: Cross multiply
    5,072.31x = 7,608.47 × 3,328.35
  4. Step 4: Simplify right side
    5,072.31x = 25,323,687.98
  5. Step 5: Solve for x
    x = 25,323,687.98/5,072.31
  6. Step 6: Final answer
    x = 4,992.53

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Similar ratio
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1.5x scale

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.