Home / 4,201.86-6,302.55-1,279.93

Finding the Fourth Proportional to 4,201.86, 6,302.55 and 1,279.93

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Solution

The fourth proportional to 4,201.86, 6,302.55 and 1,279.93 is: 1,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.86 : 6,302.55 = 1,279.93 : x
  2. Step 2: Convert to fraction form
    4,201.86/6,302.55 = 1,279.93/x
  3. Step 3: Cross multiply
    4,201.86x = 6,302.55 × 1,279.93
  4. Step 4: Simplify right side
    4,201.86x = 8,066,822.82
  5. Step 5: Solve for x
    x = 8,066,822.82/4,201.86
  6. Step 6: Final answer
    x = 1,919.82

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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.