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Finding the Fourth Proportional to 4,375.64, 6,037.80 and 2,805.86

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Solution

The fourth proportional to 4,375.64, 6,037.80 and 2,805.86 is: 3,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.64 : 6,037.80 = 2,805.86 : x
  2. Step 2: Convert to fraction form
    4,375.64/6,037.80 = 2,805.86/x
  3. Step 3: Cross multiply
    4,375.64x = 6,037.80 × 2,805.86
  4. Step 4: Simplify right side
    4,375.64x = 16,941,221.51
  5. Step 5: Solve for x
    x = 16,941,221.51/4,375.64
  6. Step 6: Final answer
    x = 3,871.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.