Home / 7,434.08-11,138.16-3,965.12

Finding the Fourth Proportional to 7,434.08, 11,138.16 and 3,965.12

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Solution

The fourth proportional to 7,434.08, 11,138.16 and 3,965.12 is: 5,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.08 : 11,138.16 = 3,965.12 : x
  2. Step 2: Convert to fraction form
    7,434.08/11,138.16 = 3,965.12/x
  3. Step 3: Cross multiply
    7,434.08x = 11,138.16 × 3,965.12
  4. Step 4: Simplify right side
    7,434.08x = 44,164,140.98
  5. Step 5: Solve for x
    x = 44,164,140.98/7,434.08
  6. Step 6: Final answer
    x = 5,940.77

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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.