Home / 7,771.08-11,656.83-2,224.92

Finding the Fourth Proportional to 7,771.08, 11,656.83 and 2,224.92

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Solution

The fourth proportional to 7,771.08, 11,656.83 and 2,224.92 is: 3,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.08 : 11,656.83 = 2,224.92 : x
  2. Step 2: Convert to fraction form
    7,771.08/11,656.83 = 2,224.92/x
  3. Step 3: Cross multiply
    7,771.08x = 11,656.83 × 2,224.92
  4. Step 4: Simplify right side
    7,771.08x = 25,935,514.20
  5. Step 5: Solve for x
    x = 25,935,514.20/7,771.08
  6. Step 6: Final answer
    x = 3,337.44

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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.