Home / 7,087.79-10,633.97-2,158.38

Finding the Fourth Proportional to 7,087.79, 10,633.97 and 2,158.38

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Solution

The fourth proportional to 7,087.79, 10,633.97 and 2,158.38 is: 3,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.79 : 10,633.97 = 2,158.38 : x
  2. Step 2: Convert to fraction form
    7,087.79/10,633.97 = 2,158.38/x
  3. Step 3: Cross multiply
    7,087.79x = 10,633.97 × 2,158.38
  4. Step 4: Simplify right side
    7,087.79x = 22,952,148.17
  5. Step 5: Solve for x
    x = 22,952,148.17/7,087.79
  6. Step 6: Final answer
    x = 3,238.27

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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.