Home / 4,201.79-6,306.59-2,123.27

Finding the Fourth Proportional to 4,201.79, 6,306.59 and 2,123.27

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Solution

The fourth proportional to 4,201.79, 6,306.59 and 2,123.27 is: 3,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.79 : 6,306.59 = 2,123.27 : x
  2. Step 2: Convert to fraction form
    4,201.79/6,306.59 = 2,123.27/x
  3. Step 3: Cross multiply
    4,201.79x = 6,306.59 × 2,123.27
  4. Step 4: Simplify right side
    4,201.79x = 13,390,551.20
  5. Step 5: Solve for x
    x = 13,390,551.20/4,201.79
  6. Step 6: Final answer
    x = 3,186.87

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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.