Home / 7,786.53-10,757.15-5,104.11

Finding the Fourth Proportional to 7,786.53, 10,757.15 and 5,104.11

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Solution

The fourth proportional to 7,786.53, 10,757.15 and 5,104.11 is: 7,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.53 : 10,757.15 = 5,104.11 : x
  2. Step 2: Convert to fraction form
    7,786.53/10,757.15 = 5,104.11/x
  3. Step 3: Cross multiply
    7,786.53x = 10,757.15 × 5,104.11
  4. Step 4: Simplify right side
    7,786.53x = 54,905,739.56
  5. Step 5: Solve for x
    x = 54,905,739.56/7,786.53
  6. Step 6: Final answer
    x = 7,051.37

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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.