Home / 7,087.05-10,627.71-2,155.77

Finding the Fourth Proportional to 7,087.05, 10,627.71 and 2,155.77

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Solution

The fourth proportional to 7,087.05, 10,627.71 and 2,155.77 is: 3,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.05 : 10,627.71 = 2,155.77 : x
  2. Step 2: Convert to fraction form
    7,087.05/10,627.71 = 2,155.77/x
  3. Step 3: Cross multiply
    7,087.05x = 10,627.71 × 2,155.77
  4. Step 4: Simplify right side
    7,087.05x = 22,910,898.39
  5. Step 5: Solve for x
    x = 22,910,898.39/7,087.05
  6. Step 6: Final answer
    x = 3,232.78

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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.