Home / 8,253.75-11,390.12-4,476.92

Finding the Fourth Proportional to 8,253.75, 11,390.12 and 4,476.92

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Solution

The fourth proportional to 8,253.75, 11,390.12 and 4,476.92 is: 6,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.75 : 11,390.12 = 4,476.92 : x
  2. Step 2: Convert to fraction form
    8,253.75/11,390.12 = 4,476.92/x
  3. Step 3: Cross multiply
    8,253.75x = 11,390.12 × 4,476.92
  4. Step 4: Simplify right side
    8,253.75x = 50,992,656.03
  5. Step 5: Solve for x
    x = 50,992,656.03/8,253.75
  6. Step 6: Final answer
    x = 6,178.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.