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Finding the Fourth Proportional to 6,349.66, 9,525.11 and 2,189.12

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Solution

The fourth proportional to 6,349.66, 9,525.11 and 2,189.12 is: 3,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.66 : 9,525.11 = 2,189.12 : x
  2. Step 2: Convert to fraction form
    6,349.66/9,525.11 = 2,189.12/x
  3. Step 3: Cross multiply
    6,349.66x = 9,525.11 × 2,189.12
  4. Step 4: Simplify right side
    6,349.66x = 20,851,561.18
  5. Step 5: Solve for x
    x = 20,851,561.18/6,349.66
  6. Step 6: Final answer
    x = 3,283.89

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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.