Home / 4,148.32-6,219.24-2,828.80

Finding the Fourth Proportional to 4,148.32, 6,219.24 and 2,828.80

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Solution

The fourth proportional to 4,148.32, 6,219.24 and 2,828.80 is: 4,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.32 : 6,219.24 = 2,828.80 : x
  2. Step 2: Convert to fraction form
    4,148.32/6,219.24 = 2,828.80/x
  3. Step 3: Cross multiply
    4,148.32x = 6,219.24 × 2,828.80
  4. Step 4: Simplify right side
    4,148.32x = 17,592,986.11
  5. Step 5: Solve for x
    x = 17,592,986.11/4,148.32
  6. Step 6: Final answer
    x = 4,241.00

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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.