Home / 4,619.12-6,374.84-2,731.32

Finding the Fourth Proportional to 4,619.12, 6,374.84 and 2,731.32

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Solution

The fourth proportional to 4,619.12, 6,374.84 and 2,731.32 is: 3,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.12 : 6,374.84 = 2,731.32 : x
  2. Step 2: Convert to fraction form
    4,619.12/6,374.84 = 2,731.32/x
  3. Step 3: Cross multiply
    4,619.12x = 6,374.84 × 2,731.32
  4. Step 4: Simplify right side
    4,619.12x = 17,411,714.33
  5. Step 5: Solve for x
    x = 17,411,714.33/4,619.12
  6. Step 6: Final answer
    x = 3,769.49

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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.