Home / 6,760.32-10,128.30-6,353.68

Finding the Fourth Proportional to 6,760.32, 10,128.30 and 6,353.68

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Solution

The fourth proportional to 6,760.32, 10,128.30 and 6,353.68 is: 9,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.32 : 10,128.30 = 6,353.68 : x
  2. Step 2: Convert to fraction form
    6,760.32/10,128.30 = 6,353.68/x
  3. Step 3: Cross multiply
    6,760.32x = 10,128.30 × 6,353.68
  4. Step 4: Simplify right side
    6,760.32x = 64,351,977.14
  5. Step 5: Solve for x
    x = 64,351,977.14/6,760.32
  6. Step 6: Final answer
    x = 9,519.07

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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.