Home / 4,263.86-6,397.68-2,485.64

Finding the Fourth Proportional to 4,263.86, 6,397.68 and 2,485.64

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Solution

The fourth proportional to 4,263.86, 6,397.68 and 2,485.64 is: 3,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.86 : 6,397.68 = 2,485.64 : x
  2. Step 2: Convert to fraction form
    4,263.86/6,397.68 = 2,485.64/x
  3. Step 3: Cross multiply
    4,263.86x = 6,397.68 × 2,485.64
  4. Step 4: Simplify right side
    4,263.86x = 15,902,329.32
  5. Step 5: Solve for x
    x = 15,902,329.32/4,263.86
  6. Step 6: Final answer
    x = 3,729.56

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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.