Home / 6,764.59-10,150.53-5,120.74

Finding the Fourth Proportional to 6,764.59, 10,150.53 and 5,120.74

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Solution

The fourth proportional to 6,764.59, 10,150.53 and 5,120.74 is: 7,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.59 : 10,150.53 = 5,120.74 : x
  2. Step 2: Convert to fraction form
    6,764.59/10,150.53 = 5,120.74/x
  3. Step 3: Cross multiply
    6,764.59x = 10,150.53 × 5,120.74
  4. Step 4: Simplify right side
    6,764.59x = 51,978,224.99
  5. Step 5: Solve for x
    x = 51,978,224.99/6,764.59
  6. Step 6: Final answer
    x = 7,683.87

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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.