Home / 7,439.39-11,167.27-4,322.91

Finding the Fourth Proportional to 7,439.39, 11,167.27 and 4,322.91

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Solution

The fourth proportional to 7,439.39, 11,167.27 and 4,322.91 is: 6,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.39 : 11,167.27 = 4,322.91 : x
  2. Step 2: Convert to fraction form
    7,439.39/11,167.27 = 4,322.91/x
  3. Step 3: Cross multiply
    7,439.39x = 11,167.27 × 4,322.91
  4. Step 4: Simplify right side
    7,439.39x = 48,275,103.16
  5. Step 5: Solve for x
    x = 48,275,103.16/7,439.39
  6. Step 6: Final answer
    x = 6,489.13

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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.