Home / 7,867.29-10,861.92-4,887.44

Finding the Fourth Proportional to 7,867.29, 10,861.92 and 4,887.44

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Solution

The fourth proportional to 7,867.29, 10,861.92 and 4,887.44 is: 6,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.29 : 10,861.92 = 4,887.44 : x
  2. Step 2: Convert to fraction form
    7,867.29/10,861.92 = 4,887.44/x
  3. Step 3: Cross multiply
    7,867.29x = 10,861.92 × 4,887.44
  4. Step 4: Simplify right side
    7,867.29x = 53,086,927.98
  5. Step 5: Solve for x
    x = 53,086,927.98/7,867.29
  6. Step 6: Final answer
    x = 6,747.80

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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.