Home / 4,496.80-6,749.20-2,645.60

Finding the Fourth Proportional to 4,496.80, 6,749.20 and 2,645.60

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Solution

The fourth proportional to 4,496.80, 6,749.20 and 2,645.60 is: 3,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,496.80 : 6,749.20 = 2,645.60 : x
  2. Step 2: Convert to fraction form
    4,496.80/6,749.20 = 2,645.60/x
  3. Step 3: Cross multiply
    4,496.80x = 6,749.20 × 2,645.60
  4. Step 4: Simplify right side
    4,496.80x = 17,855,683.52
  5. Step 5: Solve for x
    x = 17,855,683.52/4,496.80
  6. Step 6: Final answer
    x = 3,970.75

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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.