Home / 9,234.47-13,857.78-3,391.13

Finding the Fourth Proportional to 9,234.47, 13,857.78 and 3,391.13

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Solution

The fourth proportional to 9,234.47, 13,857.78 and 3,391.13 is: 5,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,234.47 : 13,857.78 = 3,391.13 : x
  2. Step 2: Convert to fraction form
    9,234.47/13,857.78 = 3,391.13/x
  3. Step 3: Cross multiply
    9,234.47x = 13,857.78 × 3,391.13
  4. Step 4: Simplify right side
    9,234.47x = 46,993,580.85
  5. Step 5: Solve for x
    x = 46,993,580.85/9,234.47
  6. Step 6: Final answer
    x = 5,088.93

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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.