Home / 5,817.65-8,028.30-3,165.05

Finding the Fourth Proportional to 5,817.65, 8,028.30 and 3,165.05

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Solution

The fourth proportional to 5,817.65, 8,028.30 and 3,165.05 is: 4,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.65 : 8,028.30 = 3,165.05 : x
  2. Step 2: Convert to fraction form
    5,817.65/8,028.30 = 3,165.05/x
  3. Step 3: Cross multiply
    5,817.65x = 8,028.30 × 3,165.05
  4. Step 4: Simplify right side
    5,817.65x = 25,409,990.99
  5. Step 5: Solve for x
    x = 25,409,990.99/5,817.65
  6. Step 6: Final answer
    x = 4,367.75

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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.