Home / 4,543.63-6,801.40-3,879.43

Finding the Fourth Proportional to 4,543.63, 6,801.40 and 3,879.43

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Solution

The fourth proportional to 4,543.63, 6,801.40 and 3,879.43 is: 5,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.63 : 6,801.40 = 3,879.43 : x
  2. Step 2: Convert to fraction form
    4,543.63/6,801.40 = 3,879.43/x
  3. Step 3: Cross multiply
    4,543.63x = 6,801.40 × 3,879.43
  4. Step 4: Simplify right side
    4,543.63x = 26,385,543.05
  5. Step 5: Solve for x
    x = 26,385,543.05/4,543.63
  6. Step 6: Final answer
    x = 5,807.15

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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.