Home / 9,125.43-13,703.78-5,636.09

Finding the Fourth Proportional to 9,125.43, 13,703.78 and 5,636.09

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Solution

The fourth proportional to 9,125.43, 13,703.78 and 5,636.09 is: 8,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.43 : 13,703.78 = 5,636.09 : x
  2. Step 2: Convert to fraction form
    9,125.43/13,703.78 = 5,636.09/x
  3. Step 3: Cross multiply
    9,125.43x = 13,703.78 × 5,636.09
  4. Step 4: Simplify right side
    9,125.43x = 77,235,640.72
  5. Step 5: Solve for x
    x = 77,235,640.72/9,125.43
  6. Step 6: Final answer
    x = 8,463.78

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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.