Home / 4,369.80-6,558-2,979.84

Finding the Fourth Proportional to 4,369.80, 6,558 and 2,979.84

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Solution

The fourth proportional to 4,369.80, 6,558 and 2,979.84 is: 4,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.80 : 6,558 = 2,979.84 : x
  2. Step 2: Convert to fraction form
    4,369.80/6,558 = 2,979.84/x
  3. Step 3: Cross multiply
    4,369.80x = 6,558 × 2,979.84
  4. Step 4: Simplify right side
    4,369.80x = 19,541,790.72
  5. Step 5: Solve for x
    x = 19,541,790.72/4,369.80
  6. Step 6: Final answer
    x = 4,472.01

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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.