Home / 5,241.08-7,861.68-1,345.38

Finding the Fourth Proportional to 5,241.08, 7,861.68 and 1,345.38

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Solution

The fourth proportional to 5,241.08, 7,861.68 and 1,345.38 is: 2,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.08 : 7,861.68 = 1,345.38 : x
  2. Step 2: Convert to fraction form
    5,241.08/7,861.68 = 1,345.38/x
  3. Step 3: Cross multiply
    5,241.08x = 7,861.68 × 1,345.38
  4. Step 4: Simplify right side
    5,241.08x = 10,576,947.04
  5. Step 5: Solve for x
    x = 10,576,947.04/5,241.08
  6. Step 6: Final answer
    x = 2,018.09

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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.