Home / 9,431.62-14,151.07-2,857.86

Finding the Fourth Proportional to 9,431.62, 14,151.07 and 2,857.86

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Solution

The fourth proportional to 9,431.62, 14,151.07 and 2,857.86 is: 4,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.62 : 14,151.07 = 2,857.86 : x
  2. Step 2: Convert to fraction form
    9,431.62/14,151.07 = 2,857.86/x
  3. Step 3: Cross multiply
    9,431.62x = 14,151.07 × 2,857.86
  4. Step 4: Simplify right side
    9,431.62x = 40,441,776.91
  5. Step 5: Solve for x
    x = 40,441,776.91/9,431.62
  6. Step 6: Final answer
    x = 4,287.89

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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.