Home / 4,252.16-6,378.24-1,330.64

Finding the Fourth Proportional to 4,252.16, 6,378.24 and 1,330.64

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Solution

The fourth proportional to 4,252.16, 6,378.24 and 1,330.64 is: 1,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.16 : 6,378.24 = 1,330.64 : x
  2. Step 2: Convert to fraction form
    4,252.16/6,378.24 = 1,330.64/x
  3. Step 3: Cross multiply
    4,252.16x = 6,378.24 × 1,330.64
  4. Step 4: Simplify right side
    4,252.16x = 8,487,141.27
  5. Step 5: Solve for x
    x = 8,487,141.27/4,252.16
  6. Step 6: Final answer
    x = 1,995.96

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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.