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Finding the Fourth Proportional to 5,985.28, 8,980.08 and 2,090.26

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Solution

The fourth proportional to 5,985.28, 8,980.08 and 2,090.26 is: 3,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.28 : 8,980.08 = 2,090.26 : x
  2. Step 2: Convert to fraction form
    5,985.28/8,980.08 = 2,090.26/x
  3. Step 3: Cross multiply
    5,985.28x = 8,980.08 × 2,090.26
  4. Step 4: Simplify right side
    5,985.28x = 18,770,702.02
  5. Step 5: Solve for x
    x = 18,770,702.02/5,985.28
  6. Step 6: Final answer
    x = 3,136.14

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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.