Home / 5,985.89-8,982.95-2,090.30

Finding the Fourth Proportional to 5,985.89, 8,982.95 and 2,090.30

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Solution

The fourth proportional to 5,985.89, 8,982.95 and 2,090.30 is: 3,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.89 : 8,982.95 = 2,090.30 : x
  2. Step 2: Convert to fraction form
    5,985.89/8,982.95 = 2,090.30/x
  3. Step 3: Cross multiply
    5,985.89x = 8,982.95 × 2,090.30
  4. Step 4: Simplify right side
    5,985.89x = 18,777,049.93
  5. Step 5: Solve for x
    x = 18,777,049.93/5,985.89
  6. Step 6: Final answer
    x = 3,136.89

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1.5x scale

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.