Home / 4,137.04-6,205.48-1,215.28

Finding the Fourth Proportional to 4,137.04, 6,205.48 and 1,215.28

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Solution

The fourth proportional to 4,137.04, 6,205.48 and 1,215.28 is: 1,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.04 : 6,205.48 = 1,215.28 : x
  2. Step 2: Convert to fraction form
    4,137.04/6,205.48 = 1,215.28/x
  3. Step 3: Cross multiply
    4,137.04x = 6,205.48 × 1,215.28
  4. Step 4: Simplify right side
    4,137.04x = 7,541,395.73
  5. Step 5: Solve for x
    x = 7,541,395.73/4,137.04
  6. Step 6: Final answer
    x = 1,822.90

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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.