Home / 4,392.86-6,587.69-1,272.02

Finding the Fourth Proportional to 4,392.86, 6,587.69 and 1,272.02

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Solution

The fourth proportional to 4,392.86, 6,587.69 and 1,272.02 is: 1,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.86 : 6,587.69 = 1,272.02 : x
  2. Step 2: Convert to fraction form
    4,392.86/6,587.69 = 1,272.02/x
  3. Step 3: Cross multiply
    4,392.86x = 6,587.69 × 1,272.02
  4. Step 4: Simplify right side
    4,392.86x = 8,379,634.14
  5. Step 5: Solve for x
    x = 8,379,634.14/4,392.86
  6. Step 6: Final answer
    x = 1,907.56

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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.