Home / 5,985.13-8,979.15-1,825.21

Finding the Fourth Proportional to 5,985.13, 8,979.15 and 1,825.21

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Solution

The fourth proportional to 5,985.13, 8,979.15 and 1,825.21 is: 2,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.13 : 8,979.15 = 1,825.21 : x
  2. Step 2: Convert to fraction form
    5,985.13/8,979.15 = 1,825.21/x
  3. Step 3: Cross multiply
    5,985.13x = 8,979.15 × 1,825.21
  4. Step 4: Simplify right side
    5,985.13x = 16,388,842.17
  5. Step 5: Solve for x
    x = 16,388,842.17/5,985.13
  6. Step 6: Final answer
    x = 2,738.26

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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.