Home / 5,907.50-8,152.09-3,218.73

Finding the Fourth Proportional to 5,907.50, 8,152.09 and 3,218.73

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Solution

The fourth proportional to 5,907.50, 8,152.09 and 3,218.73 is: 4,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.50 : 8,152.09 = 3,218.73 : x
  2. Step 2: Convert to fraction form
    5,907.50/8,152.09 = 3,218.73/x
  3. Step 3: Cross multiply
    5,907.50x = 8,152.09 × 3,218.73
  4. Step 4: Simplify right side
    5,907.50x = 26,239,348.22
  5. Step 5: Solve for x
    x = 26,239,348.22/5,907.50
  6. Step 6: Final answer
    x = 4,441.70

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Half scale
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Double 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.