Home / 7,935.72-11,899.50-2,668.92

Finding the Fourth Proportional to 7,935.72, 11,899.50 and 2,668.92

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Solution

The fourth proportional to 7,935.72, 11,899.50 and 2,668.92 is: 4,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.72 : 11,899.50 = 2,668.92 : x
  2. Step 2: Convert to fraction form
    7,935.72/11,899.50 = 2,668.92/x
  3. Step 3: Cross multiply
    7,935.72x = 11,899.50 × 2,668.92
  4. Step 4: Simplify right side
    7,935.72x = 31,758,813.54
  5. Step 5: Solve for x
    x = 31,758,813.54/7,935.72
  6. Step 6: Final answer
    x = 4,002.01

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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.