Home / 5,861.61-8,089.05-3,209.06

Finding the Fourth Proportional to 5,861.61, 8,089.05 and 3,209.06

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Solution

The fourth proportional to 5,861.61, 8,089.05 and 3,209.06 is: 4,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.61 : 8,089.05 = 3,209.06 : x
  2. Step 2: Convert to fraction form
    5,861.61/8,089.05 = 3,209.06/x
  3. Step 3: Cross multiply
    5,861.61x = 8,089.05 × 3,209.06
  4. Step 4: Simplify right side
    5,861.61x = 25,958,230.75
  5. Step 5: Solve for x
    x = 25,958,230.75/5,861.61
  6. Step 6: Final answer
    x = 4,428.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.