Home / 4,344.32-6,516.88-1,422.64

Finding the Fourth Proportional to 4,344.32, 6,516.88 and 1,422.64

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Solution

The fourth proportional to 4,344.32, 6,516.88 and 1,422.64 is: 2,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,344.32 : 6,516.88 = 1,422.64 : x
  2. Step 2: Convert to fraction form
    4,344.32/6,516.88 = 1,422.64/x
  3. Step 3: Cross multiply
    4,344.32x = 6,516.88 × 1,422.64
  4. Step 4: Simplify right side
    4,344.32x = 9,271,174.16
  5. Step 5: Solve for x
    x = 9,271,174.16/4,344.32
  6. Step 6: Final answer
    x = 2,134.09

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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.