Home / 4,252.53-6,379.49-1,330.16

Finding the Fourth Proportional to 4,252.53, 6,379.49 and 1,330.16

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Solution

The fourth proportional to 4,252.53, 6,379.49 and 1,330.16 is: 1,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.53 : 6,379.49 = 1,330.16 : x
  2. Step 2: Convert to fraction form
    4,252.53/6,379.49 = 1,330.16/x
  3. Step 3: Cross multiply
    4,252.53x = 6,379.49 × 1,330.16
  4. Step 4: Simplify right side
    4,252.53x = 8,485,703.87
  5. Step 5: Solve for x
    x = 8,485,703.87/4,252.53
  6. Step 6: Final answer
    x = 1,995.45

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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.