Home / 4,084-6,123.60-2,769.40

Finding the Fourth Proportional to 4,084, 6,123.60 and 2,769.40

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Solution

The fourth proportional to 4,084, 6,123.60 and 2,769.40 is: 4,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084 : 6,123.60 = 2,769.40 : x
  2. Step 2: Convert to fraction form
    4,084/6,123.60 = 2,769.40/x
  3. Step 3: Cross multiply
    4,084x = 6,123.60 × 2,769.40
  4. Step 4: Simplify right side
    4,084x = 16,958,697.84
  5. Step 5: Solve for x
    x = 16,958,697.84/4,084
  6. Step 6: Final answer
    x = 4,152.47

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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.