Home / 4,517.64-6,776.46-1,918.89

Finding the Fourth Proportional to 4,517.64, 6,776.46 and 1,918.89

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Solution

The fourth proportional to 4,517.64, 6,776.46 and 1,918.89 is: 2,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.64 : 6,776.46 = 1,918.89 : x
  2. Step 2: Convert to fraction form
    4,517.64/6,776.46 = 1,918.89/x
  3. Step 3: Cross multiply
    4,517.64x = 6,776.46 × 1,918.89
  4. Step 4: Simplify right side
    4,517.64x = 13,003,281.33
  5. Step 5: Solve for x
    x = 13,003,281.33/4,517.64
  6. Step 6: Final answer
    x = 2,878.34

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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.