Home / 4,201.53-6,306.18-2,122.99

Finding the Fourth Proportional to 4,201.53, 6,306.18 and 2,122.99

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Solution

The fourth proportional to 4,201.53, 6,306.18 and 2,122.99 is: 3,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.53 : 6,306.18 = 2,122.99 : x
  2. Step 2: Convert to fraction form
    4,201.53/6,306.18 = 2,122.99/x
  3. Step 3: Cross multiply
    4,201.53x = 6,306.18 × 2,122.99
  4. Step 4: Simplify right side
    4,201.53x = 13,387,957.08
  5. Step 5: Solve for x
    x = 13,387,957.08/4,201.53
  6. Step 6: Final answer
    x = 3,186.45

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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.