Home / 4,760.18-7,142.09-1,986.06

Finding the Fourth Proportional to 4,760.18, 7,142.09 and 1,986.06

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Solution

The fourth proportional to 4,760.18, 7,142.09 and 1,986.06 is: 2,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.18 : 7,142.09 = 1,986.06 : x
  2. Step 2: Convert to fraction form
    4,760.18/7,142.09 = 1,986.06/x
  3. Step 3: Cross multiply
    4,760.18x = 7,142.09 × 1,986.06
  4. Step 4: Simplify right side
    4,760.18x = 14,184,609.34
  5. Step 5: Solve for x
    x = 14,184,609.34/4,760.18
  6. Step 6: Final answer
    x = 2,979.85

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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.