Home / 5,985.38-8,979.36-1,825.28

Finding the Fourth Proportional to 5,985.38, 8,979.36 and 1,825.28

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Solution

The fourth proportional to 5,985.38, 8,979.36 and 1,825.28 is: 2,738.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.38 : 8,979.36 = 1,825.28 : x
  2. Step 2: Convert to fraction form
    5,985.38/8,979.36 = 1,825.28/x
  3. Step 3: Cross multiply
    5,985.38x = 8,979.36 × 1,825.28
  4. Step 4: Simplify right side
    5,985.38x = 16,389,846.22
  5. Step 5: Solve for x
    x = 16,389,846.22/5,985.38
  6. Step 6: Final answer
    x = 2,738.31

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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.