Home / 8,216.88-11,339.70-4,861.66

Finding the Fourth Proportional to 8,216.88, 11,339.70 and 4,861.66

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Solution

The fourth proportional to 8,216.88, 11,339.70 and 4,861.66 is: 6,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.88 : 11,339.70 = 4,861.66 : x
  2. Step 2: Convert to fraction form
    8,216.88/11,339.70 = 4,861.66/x
  3. Step 3: Cross multiply
    8,216.88x = 11,339.70 × 4,861.66
  4. Step 4: Simplify right side
    8,216.88x = 55,129,709.20
  5. Step 5: Solve for x
    x = 55,129,709.20/8,216.88
  6. Step 6: Final answer
    x = 6,709.32

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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.