Home / 9,206.33-12,706.38-5,429.27

Finding the Fourth Proportional to 9,206.33, 12,706.38 and 5,429.27

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Solution

The fourth proportional to 9,206.33, 12,706.38 and 5,429.27 is: 7,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.33 : 12,706.38 = 5,429.27 : x
  2. Step 2: Convert to fraction form
    9,206.33/12,706.38 = 5,429.27/x
  3. Step 3: Cross multiply
    9,206.33x = 12,706.38 × 5,429.27
  4. Step 4: Simplify right side
    9,206.33x = 68,986,367.74
  5. Step 5: Solve for x
    x = 68,986,367.74/9,206.33
  6. Step 6: Final answer
    x = 7,493.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.