Home / 4,551.18-6,821.70-4,182.09

Finding the Fourth Proportional to 4,551.18, 6,821.70 and 4,182.09

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Solution

The fourth proportional to 4,551.18, 6,821.70 and 4,182.09 is: 6,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.18 : 6,821.70 = 4,182.09 : x
  2. Step 2: Convert to fraction form
    4,551.18/6,821.70 = 4,182.09/x
  3. Step 3: Cross multiply
    4,551.18x = 6,821.70 × 4,182.09
  4. Step 4: Simplify right side
    4,551.18x = 28,528,963.35
  5. Step 5: Solve for x
    x = 28,528,963.35/4,551.18
  6. Step 6: Final answer
    x = 6,268.48

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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.