Home / 7,771.24-11,650.76-5,299.92

Finding the Fourth Proportional to 7,771.24, 11,650.76 and 5,299.92

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Solution

The fourth proportional to 7,771.24, 11,650.76 and 5,299.92 is: 7,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.24 : 11,650.76 = 5,299.92 : x
  2. Step 2: Convert to fraction form
    7,771.24/11,650.76 = 5,299.92/x
  3. Step 3: Cross multiply
    7,771.24x = 11,650.76 × 5,299.92
  4. Step 4: Simplify right side
    7,771.24x = 61,748,095.94
  5. Step 5: Solve for x
    x = 61,748,095.94/7,771.24
  6. Step 6: Final answer
    x = 7,945.72

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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.