Home / 8,423.96-11,628.80-5,441.25

Finding the Fourth Proportional to 8,423.96, 11,628.80 and 5,441.25

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Solution

The fourth proportional to 8,423.96, 11,628.80 and 5,441.25 is: 7,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.96 : 11,628.80 = 5,441.25 : x
  2. Step 2: Convert to fraction form
    8,423.96/11,628.80 = 5,441.25/x
  3. Step 3: Cross multiply
    8,423.96x = 11,628.80 × 5,441.25
  4. Step 4: Simplify right side
    8,423.96x = 63,275,122.65
  5. Step 5: Solve for x
    x = 63,275,122.65/8,423.96
  6. Step 6: Final answer
    x = 7,511.33

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Half scale
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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.