Home / 7,189.76-10,777.70-2,255.96

Finding the Fourth Proportional to 7,189.76, 10,777.70 and 2,255.96

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Solution

The fourth proportional to 7,189.76, 10,777.70 and 2,255.96 is: 3,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.76 : 10,777.70 = 2,255.96 : x
  2. Step 2: Convert to fraction form
    7,189.76/10,777.70 = 2,255.96/x
  3. Step 3: Cross multiply
    7,189.76x = 10,777.70 × 2,255.96
  4. Step 4: Simplify right side
    7,189.76x = 24,314,060.09
  5. Step 5: Solve for x
    x = 24,314,060.09/7,189.76
  6. Step 6: Final answer
    x = 3,381.76

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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.