Home / 8,178.08-12,269.92-3,496.16

Finding the Fourth Proportional to 8,178.08, 12,269.92 and 3,496.16

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Solution

The fourth proportional to 8,178.08, 12,269.92 and 3,496.16 is: 5,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.08 : 12,269.92 = 3,496.16 : x
  2. Step 2: Convert to fraction form
    8,178.08/12,269.92 = 3,496.16/x
  3. Step 3: Cross multiply
    8,178.08x = 12,269.92 × 3,496.16
  4. Step 4: Simplify right side
    8,178.08x = 42,897,603.51
  5. Step 5: Solve for x
    x = 42,897,603.51/8,178.08
  6. Step 6: Final answer
    x = 5,245.44

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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.