Home / 7,087.39-10,632.70-2,157.73

Finding the Fourth Proportional to 7,087.39, 10,632.70 and 2,157.73

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Solution

The fourth proportional to 7,087.39, 10,632.70 and 2,157.73 is: 3,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.39 : 10,632.70 = 2,157.73 : x
  2. Step 2: Convert to fraction form
    7,087.39/10,632.70 = 2,157.73/x
  3. Step 3: Cross multiply
    7,087.39x = 10,632.70 × 2,157.73
  4. Step 4: Simplify right side
    7,087.39x = 22,942,495.77
  5. Step 5: Solve for x
    x = 22,942,495.77/7,087.39
  6. Step 6: Final answer
    x = 3,237.09

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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.