Home / 7,086.39-10,628.90-2,156.07

Finding the Fourth Proportional to 7,086.39, 10,628.90 and 2,156.07

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Solution

The fourth proportional to 7,086.39, 10,628.90 and 2,156.07 is: 3,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.39 : 10,628.90 = 2,156.07 : x
  2. Step 2: Convert to fraction form
    7,086.39/10,628.90 = 2,156.07/x
  3. Step 3: Cross multiply
    7,086.39x = 10,628.90 × 2,156.07
  4. Step 4: Simplify right side
    7,086.39x = 22,916,623.73
  5. Step 5: Solve for x
    x = 22,916,623.73/7,086.39
  6. Step 6: Final answer
    x = 3,233.89

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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.