Home / 6,219.36-8,583.50-3,861.86

Finding the Fourth Proportional to 6,219.36, 8,583.50 and 3,861.86

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Solution

The fourth proportional to 6,219.36, 8,583.50 and 3,861.86 is: 5,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.36 : 8,583.50 = 3,861.86 : x
  2. Step 2: Convert to fraction form
    6,219.36/8,583.50 = 3,861.86/x
  3. Step 3: Cross multiply
    6,219.36x = 8,583.50 × 3,861.86
  4. Step 4: Simplify right side
    6,219.36x = 33,148,275.31
  5. Step 5: Solve for x
    x = 33,148,275.31/6,219.36
  6. Step 6: Final answer
    x = 5,329.85

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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.