Home / 5,861.12-8,083.68-4,979.84

Finding the Fourth Proportional to 5,861.12, 8,083.68 and 4,979.84

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Solution

The fourth proportional to 5,861.12, 8,083.68 and 4,979.84 is: 6,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.12 : 8,083.68 = 4,979.84 : x
  2. Step 2: Convert to fraction form
    5,861.12/8,083.68 = 4,979.84/x
  3. Step 3: Cross multiply
    5,861.12x = 8,083.68 × 4,979.84
  4. Step 4: Simplify right side
    5,861.12x = 40,255,433.01
  5. Step 5: Solve for x
    x = 40,255,433.01/5,861.12
  6. Step 6: Final answer
    x = 6,868.22

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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.