Home / 4,890.79-7,334.35-1,968.11

Finding the Fourth Proportional to 4,890.79, 7,334.35 and 1,968.11

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Solution

The fourth proportional to 4,890.79, 7,334.35 and 1,968.11 is: 2,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.79 : 7,334.35 = 1,968.11 : x
  2. Step 2: Convert to fraction form
    4,890.79/7,334.35 = 1,968.11/x
  3. Step 3: Cross multiply
    4,890.79x = 7,334.35 × 1,968.11
  4. Step 4: Simplify right side
    4,890.79x = 14,434,807.58
  5. Step 5: Solve for x
    x = 14,434,807.58/4,890.79
  6. Step 6: Final answer
    x = 2,951.43

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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.