Home / 7,776.08-11,663.25-2,777.38

Finding the Fourth Proportional to 7,776.08, 11,663.25 and 2,777.38

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Solution

The fourth proportional to 7,776.08, 11,663.25 and 2,777.38 is: 4,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.08 : 11,663.25 = 2,777.38 : x
  2. Step 2: Convert to fraction form
    7,776.08/11,663.25 = 2,777.38/x
  3. Step 3: Cross multiply
    7,776.08x = 11,663.25 × 2,777.38
  4. Step 4: Simplify right side
    7,776.08x = 32,393,258.54
  5. Step 5: Solve for x
    x = 32,393,258.54/7,776.08
  6. Step 6: Final answer
    x = 4,165.76

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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.