Home / 5,292.07-7,938.12-2,171.52

Finding the Fourth Proportional to 5,292.07, 7,938.12 and 2,171.52

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Solution

The fourth proportional to 5,292.07, 7,938.12 and 2,171.52 is: 3,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.07 : 7,938.12 = 2,171.52 : x
  2. Step 2: Convert to fraction form
    5,292.07/7,938.12 = 2,171.52/x
  3. Step 3: Cross multiply
    5,292.07x = 7,938.12 × 2,171.52
  4. Step 4: Simplify right side
    5,292.07x = 17,237,786.34
  5. Step 5: Solve for x
    x = 17,237,786.34/5,292.07
  6. Step 6: Final answer
    x = 3,257.29

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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.