Home / 4,551.42-6,278.07-2,869.89

Finding the Fourth Proportional to 4,551.42, 6,278.07 and 2,869.89

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Solution

The fourth proportional to 4,551.42, 6,278.07 and 2,869.89 is: 3,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.42 : 6,278.07 = 2,869.89 : x
  2. Step 2: Convert to fraction form
    4,551.42/6,278.07 = 2,869.89/x
  3. Step 3: Cross multiply
    4,551.42x = 6,278.07 × 2,869.89
  4. Step 4: Simplify right side
    4,551.42x = 18,017,370.31
  5. Step 5: Solve for x
    x = 18,017,370.31/4,551.42
  6. Step 6: Final answer
    x = 3,958.63

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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.