Home / 5,102.48-7,040.49-2,864.05

Finding the Fourth Proportional to 5,102.48, 7,040.49 and 2,864.05

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Solution

The fourth proportional to 5,102.48, 7,040.49 and 2,864.05 is: 3,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.48 : 7,040.49 = 2,864.05 : x
  2. Step 2: Convert to fraction form
    5,102.48/7,040.49 = 2,864.05/x
  3. Step 3: Cross multiply
    5,102.48x = 7,040.49 × 2,864.05
  4. Step 4: Simplify right side
    5,102.48x = 20,164,280.18
  5. Step 5: Solve for x
    x = 20,164,280.18/5,102.48
  6. Step 6: Final answer
    x = 3,951.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.