Home / 5,459.60-8,187.78-1,996.04

Finding the Fourth Proportional to 5,459.60, 8,187.78 and 1,996.04

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Solution

The fourth proportional to 5,459.60, 8,187.78 and 1,996.04 is: 2,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.60 : 8,187.78 = 1,996.04 : x
  2. Step 2: Convert to fraction form
    5,459.60/8,187.78 = 1,996.04/x
  3. Step 3: Cross multiply
    5,459.60x = 8,187.78 × 1,996.04
  4. Step 4: Simplify right side
    5,459.60x = 16,343,136.39
  5. Step 5: Solve for x
    x = 16,343,136.39/5,459.60
  6. Step 6: Final answer
    x = 2,993.47

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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.