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Finding the Fourth Proportional to 5,987.26, 8,980.26 and 1,605.16

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Solution

The fourth proportional to 5,987.26, 8,980.26 and 1,605.16 is: 2,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.26 : 8,980.26 = 1,605.16 : x
  2. Step 2: Convert to fraction form
    5,987.26/8,980.26 = 1,605.16/x
  3. Step 3: Cross multiply
    5,987.26x = 8,980.26 × 1,605.16
  4. Step 4: Simplify right side
    5,987.26x = 14,414,754.14
  5. Step 5: Solve for x
    x = 14,414,754.14/5,987.26
  6. Step 6: Final answer
    x = 2,407.57

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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.