Home / 5,115.94-7,673.91-2,040.10

Finding the Fourth Proportional to 5,115.94, 7,673.91 and 2,040.10

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Solution

The fourth proportional to 5,115.94, 7,673.91 and 2,040.10 is: 3,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.94 : 7,673.91 = 2,040.10 : x
  2. Step 2: Convert to fraction form
    5,115.94/7,673.91 = 2,040.10/x
  3. Step 3: Cross multiply
    5,115.94x = 7,673.91 × 2,040.10
  4. Step 4: Simplify right side
    5,115.94x = 15,655,516.96
  5. Step 5: Solve for x
    x = 15,655,516.96/5,115.94
  6. Step 6: Final answer
    x = 3,060.15

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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.