Home / 4,227.13-6,342.51-1,631.89

Finding the Fourth Proportional to 4,227.13, 6,342.51 and 1,631.89

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Solution

The fourth proportional to 4,227.13, 6,342.51 and 1,631.89 is: 2,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.13 : 6,342.51 = 1,631.89 : x
  2. Step 2: Convert to fraction form
    4,227.13/6,342.51 = 1,631.89/x
  3. Step 3: Cross multiply
    4,227.13x = 6,342.51 × 1,631.89
  4. Step 4: Simplify right side
    4,227.13x = 10,350,278.64
  5. Step 5: Solve for x
    x = 10,350,278.64/4,227.13
  6. Step 6: Final answer
    x = 2,448.54

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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.