Home / 5,758.66-8,638.77-1,861.75

Finding the Fourth Proportional to 5,758.66, 8,638.77 and 1,861.75

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Solution

The fourth proportional to 5,758.66, 8,638.77 and 1,861.75 is: 2,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.66 : 8,638.77 = 1,861.75 : x
  2. Step 2: Convert to fraction form
    5,758.66/8,638.77 = 1,861.75/x
  3. Step 3: Cross multiply
    5,758.66x = 8,638.77 × 1,861.75
  4. Step 4: Simplify right side
    5,758.66x = 16,083,230.05
  5. Step 5: Solve for x
    x = 16,083,230.05/5,758.66
  6. Step 6: Final answer
    x = 2,792.88

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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.