Home / 8,436.24-12,645.48-3,499.08

Finding the Fourth Proportional to 8,436.24, 12,645.48 and 3,499.08

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Solution

The fourth proportional to 8,436.24, 12,645.48 and 3,499.08 is: 5,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.24 : 12,645.48 = 3,499.08 : x
  2. Step 2: Convert to fraction form
    8,436.24/12,645.48 = 3,499.08/x
  3. Step 3: Cross multiply
    8,436.24x = 12,645.48 × 3,499.08
  4. Step 4: Simplify right side
    8,436.24x = 44,247,546.16
  5. Step 5: Solve for x
    x = 44,247,546.16/8,436.24
  6. Step 6: Final answer
    x = 5,244.94

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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.