Home / 5,071.05-7,603.70-2,147.85

Finding the Fourth Proportional to 5,071.05, 7,603.70 and 2,147.85

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Solution

The fourth proportional to 5,071.05, 7,603.70 and 2,147.85 is: 3,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.05 : 7,603.70 = 2,147.85 : x
  2. Step 2: Convert to fraction form
    5,071.05/7,603.70 = 2,147.85/x
  3. Step 3: Cross multiply
    5,071.05x = 7,603.70 × 2,147.85
  4. Step 4: Simplify right side
    5,071.05x = 16,331,596.31
  5. Step 5: Solve for x
    x = 16,331,596.31/5,071.05
  6. Step 6: Final answer
    x = 3,220.56

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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.