Home / 6,764.28-10,134.36-4,130.40

Finding the Fourth Proportional to 6,764.28, 10,134.36 and 4,130.40

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Solution

The fourth proportional to 6,764.28, 10,134.36 and 4,130.40 is: 6,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.28 : 10,134.36 = 4,130.40 : x
  2. Step 2: Convert to fraction form
    6,764.28/10,134.36 = 4,130.40/x
  3. Step 3: Cross multiply
    6,764.28x = 10,134.36 × 4,130.40
  4. Step 4: Simplify right side
    6,764.28x = 41,858,960.54
  5. Step 5: Solve for x
    x = 41,858,960.54/6,764.28
  6. Step 6: Final answer
    x = 6,188.24

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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.