Home / 4,861.92-7,289.10-2,086.32

Finding the Fourth Proportional to 4,861.92, 7,289.10 and 2,086.32

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Solution

The fourth proportional to 4,861.92, 7,289.10 and 2,086.32 is: 3,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.92 : 7,289.10 = 2,086.32 : x
  2. Step 2: Convert to fraction form
    4,861.92/7,289.10 = 2,086.32/x
  3. Step 3: Cross multiply
    4,861.92x = 7,289.10 × 2,086.32
  4. Step 4: Simplify right side
    4,861.92x = 15,207,395.11
  5. Step 5: Solve for x
    x = 15,207,395.11/4,861.92
  6. Step 6: Final answer
    x = 3,127.86

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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.