Home / 8,227.35-12,349.80-3,549.65

Finding the Fourth Proportional to 8,227.35, 12,349.80 and 3,549.65

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Solution

The fourth proportional to 8,227.35, 12,349.80 and 3,549.65 is: 5,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.35 : 12,349.80 = 3,549.65 : x
  2. Step 2: Convert to fraction form
    8,227.35/12,349.80 = 3,549.65/x
  3. Step 3: Cross multiply
    8,227.35x = 12,349.80 × 3,549.65
  4. Step 4: Simplify right side
    8,227.35x = 43,837,405.82
  5. Step 5: Solve for x
    x = 43,837,405.82/8,227.35
  6. Step 6: Final answer
    x = 5,328.25

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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.