Home / 4,252.68-6,379.83-1,330.38

Finding the Fourth Proportional to 4,252.68, 6,379.83 and 1,330.38

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Solution

The fourth proportional to 4,252.68, 6,379.83 and 1,330.38 is: 1,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.68 : 6,379.83 = 1,330.38 : x
  2. Step 2: Convert to fraction form
    4,252.68/6,379.83 = 1,330.38/x
  3. Step 3: Cross multiply
    4,252.68x = 6,379.83 × 1,330.38
  4. Step 4: Simplify right side
    4,252.68x = 8,487,598.24
  5. Step 5: Solve for x
    x = 8,487,598.24/4,252.68
  6. Step 6: Final answer
    x = 1,995.82

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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.