Home / 6,819.67-9,415.88-5,251.51

Finding the Fourth Proportional to 6,819.67, 9,415.88 and 5,251.51

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Solution

The fourth proportional to 6,819.67, 9,415.88 and 5,251.51 is: 7,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.67 : 9,415.88 = 5,251.51 : x
  2. Step 2: Convert to fraction form
    6,819.67/9,415.88 = 5,251.51/x
  3. Step 3: Cross multiply
    6,819.67x = 9,415.88 × 5,251.51
  4. Step 4: Simplify right side
    6,819.67x = 49,447,587.98
  5. Step 5: Solve for x
    x = 49,447,587.98/6,819.67
  6. Step 6: Final answer
    x = 7,250.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.