Home / 7,864.97-11,798.66-2,669.63

Finding the Fourth Proportional to 7,864.97, 11,798.66 and 2,669.63

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Solution

The fourth proportional to 7,864.97, 11,798.66 and 2,669.63 is: 4,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.97 : 11,798.66 = 2,669.63 : x
  2. Step 2: Convert to fraction form
    7,864.97/11,798.66 = 2,669.63/x
  3. Step 3: Cross multiply
    7,864.97x = 11,798.66 × 2,669.63
  4. Step 4: Simplify right side
    7,864.97x = 31,498,004.38
  5. Step 5: Solve for x
    x = 31,498,004.38/7,864.97
  6. Step 6: Final answer
    x = 4,004.85

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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.