Home / 8,344.80-12,509.52-3,725.28

Finding the Fourth Proportional to 8,344.80, 12,509.52 and 3,725.28

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Solution

The fourth proportional to 8,344.80, 12,509.52 and 3,725.28 is: 5,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.80 : 12,509.52 = 3,725.28 : x
  2. Step 2: Convert to fraction form
    8,344.80/12,509.52 = 3,725.28/x
  3. Step 3: Cross multiply
    8,344.80x = 12,509.52 × 3,725.28
  4. Step 4: Simplify right side
    8,344.80x = 46,601,464.67
  5. Step 5: Solve for x
    x = 46,601,464.67/8,344.80
  6. Step 6: Final answer
    x = 5,584.49

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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.