Home / 6,519.33-8,996.61-3,686.76

Finding the Fourth Proportional to 6,519.33, 8,996.61 and 3,686.76

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Solution

The fourth proportional to 6,519.33, 8,996.61 and 3,686.76 is: 5,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.33 : 8,996.61 = 3,686.76 : x
  2. Step 2: Convert to fraction form
    6,519.33/8,996.61 = 3,686.76/x
  3. Step 3: Cross multiply
    6,519.33x = 8,996.61 × 3,686.76
  4. Step 4: Simplify right side
    6,519.33x = 33,168,341.88
  5. Step 5: Solve for x
    x = 33,168,341.88/6,519.33
  6. Step 6: Final answer
    x = 5,087.69

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Half scale
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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.