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Finding the Fourth Proportional to 6,530.11, 9,786.96 and 4,684.84

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Solution

The fourth proportional to 6,530.11, 9,786.96 and 4,684.84 is: 7,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.11 : 9,786.96 = 4,684.84 : x
  2. Step 2: Convert to fraction form
    6,530.11/9,786.96 = 4,684.84/x
  3. Step 3: Cross multiply
    6,530.11x = 9,786.96 × 4,684.84
  4. Step 4: Simplify right side
    6,530.11x = 45,850,341.69
  5. Step 5: Solve for x
    x = 45,850,341.69/6,530.11
  6. Step 6: Final answer
    x = 7,021.37

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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.