Home / 4,247.60-6,367.76-1,613.64

Finding the Fourth Proportional to 4,247.60, 6,367.76 and 1,613.64

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Solution

The fourth proportional to 4,247.60, 6,367.76 and 1,613.64 is: 2,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.60 : 6,367.76 = 1,613.64 : x
  2. Step 2: Convert to fraction form
    4,247.60/6,367.76 = 1,613.64/x
  3. Step 3: Cross multiply
    4,247.60x = 6,367.76 × 1,613.64
  4. Step 4: Simplify right side
    4,247.60x = 10,275,272.25
  5. Step 5: Solve for x
    x = 10,275,272.25/4,247.60
  6. Step 6: Final answer
    x = 2,419.08

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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.