Home / 4,247.85-6,368.15-1,613.88

Finding the Fourth Proportional to 4,247.85, 6,368.15 and 1,613.88

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Solution

The fourth proportional to 4,247.85, 6,368.15 and 1,613.88 is: 2,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.85 : 6,368.15 = 1,613.88 : x
  2. Step 2: Convert to fraction form
    4,247.85/6,368.15 = 1,613.88/x
  3. Step 3: Cross multiply
    4,247.85x = 6,368.15 × 1,613.88
  4. Step 4: Simplify right side
    4,247.85x = 10,277,421.85
  5. Step 5: Solve for x
    x = 10,277,421.85/4,247.85
  6. Step 6: Final answer
    x = 2,419.44

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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.