Home / 4,791.42-7,188.96-1,871.76

Finding the Fourth Proportional to 4,791.42, 7,188.96 and 1,871.76

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Solution

The fourth proportional to 4,791.42, 7,188.96 and 1,871.76 is: 2,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.42 : 7,188.96 = 1,871.76 : x
  2. Step 2: Convert to fraction form
    4,791.42/7,188.96 = 1,871.76/x
  3. Step 3: Cross multiply
    4,791.42x = 7,188.96 × 1,871.76
  4. Step 4: Simplify right side
    4,791.42x = 13,456,007.77
  5. Step 5: Solve for x
    x = 13,456,007.77/4,791.42
  6. Step 6: Final answer
    x = 2,808.35

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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.