Home / 7,884.41-11,827.82-2,689.07

Finding the Fourth Proportional to 7,884.41, 11,827.82 and 2,689.07

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Solution

The fourth proportional to 7,884.41, 11,827.82 and 2,689.07 is: 4,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.41 : 11,827.82 = 2,689.07 : x
  2. Step 2: Convert to fraction form
    7,884.41/11,827.82 = 2,689.07/x
  3. Step 3: Cross multiply
    7,884.41x = 11,827.82 × 2,689.07
  4. Step 4: Simplify right side
    7,884.41x = 31,805,776.79
  5. Step 5: Solve for x
    x = 31,805,776.79/7,884.41
  6. Step 6: Final answer
    x = 4,034.01

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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.