Home / 4,265.92-6,399.52-1,188.16

Finding the Fourth Proportional to 4,265.92, 6,399.52 and 1,188.16

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Solution

The fourth proportional to 4,265.92, 6,399.52 and 1,188.16 is: 1,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.92 : 6,399.52 = 1,188.16 : x
  2. Step 2: Convert to fraction form
    4,265.92/6,399.52 = 1,188.16/x
  3. Step 3: Cross multiply
    4,265.92x = 6,399.52 × 1,188.16
  4. Step 4: Simplify right side
    4,265.92x = 7,603,653.68
  5. Step 5: Solve for x
    x = 7,603,653.68/4,265.92
  6. Step 6: Final answer
    x = 1,782.42

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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.