Home / 5,615.94-7,749.37-3,257.62

Finding the Fourth Proportional to 5,615.94, 7,749.37 and 3,257.62

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Solution

The fourth proportional to 5,615.94, 7,749.37 and 3,257.62 is: 4,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.94 : 7,749.37 = 3,257.62 : x
  2. Step 2: Convert to fraction form
    5,615.94/7,749.37 = 3,257.62/x
  3. Step 3: Cross multiply
    5,615.94x = 7,749.37 × 3,257.62
  4. Step 4: Simplify right side
    5,615.94x = 25,244,486.41
  5. Step 5: Solve for x
    x = 25,244,486.41/5,615.94
  6. Step 6: Final answer
    x = 4,495.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.