Home / 8,427.62-11,626.71-5,238.65

Finding the Fourth Proportional to 8,427.62, 11,626.71 and 5,238.65

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Solution

The fourth proportional to 8,427.62, 11,626.71 and 5,238.65 is: 7,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.62 : 11,626.71 = 5,238.65 : x
  2. Step 2: Convert to fraction form
    8,427.62/11,626.71 = 5,238.65/x
  3. Step 3: Cross multiply
    8,427.62x = 11,626.71 × 5,238.65
  4. Step 4: Simplify right side
    8,427.62x = 60,908,293.41
  5. Step 5: Solve for x
    x = 60,908,293.41/8,427.62
  6. Step 6: Final answer
    x = 7,227.22

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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.