Home / 5,376.46-7,419.24-2,986.30

Finding the Fourth Proportional to 5,376.46, 7,419.24 and 2,986.30

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Solution

The fourth proportional to 5,376.46, 7,419.24 and 2,986.30 is: 4,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.46 : 7,419.24 = 2,986.30 : x
  2. Step 2: Convert to fraction form
    5,376.46/7,419.24 = 2,986.30/x
  3. Step 3: Cross multiply
    5,376.46x = 7,419.24 × 2,986.30
  4. Step 4: Simplify right side
    5,376.46x = 22,156,076.41
  5. Step 5: Solve for x
    x = 22,156,076.41/5,376.46
  6. Step 6: Final answer
    x = 4,120.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.