Home / 4,272.86-6,403.12-1,804.29

Finding the Fourth Proportional to 4,272.86, 6,403.12 and 1,804.29

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Solution

The fourth proportional to 4,272.86, 6,403.12 and 1,804.29 is: 2,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.86 : 6,403.12 = 1,804.29 : x
  2. Step 2: Convert to fraction form
    4,272.86/6,403.12 = 1,804.29/x
  3. Step 3: Cross multiply
    4,272.86x = 6,403.12 × 1,804.29
  4. Step 4: Simplify right side
    4,272.86x = 11,553,056.86
  5. Step 5: Solve for x
    x = 11,553,056.86/4,272.86
  6. Step 6: Final answer
    x = 2,703.82

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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.