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Finding the Fourth Proportional to 6,349.40, 8,760.05 and 3,696.25

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Solution

The fourth proportional to 6,349.40, 8,760.05 and 3,696.25 is: 5,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.40 : 8,760.05 = 3,696.25 : x
  2. Step 2: Convert to fraction form
    6,349.40/8,760.05 = 3,696.25/x
  3. Step 3: Cross multiply
    6,349.40x = 8,760.05 × 3,696.25
  4. Step 4: Simplify right side
    6,349.40x = 32,379,334.81
  5. Step 5: Solve for x
    x = 32,379,334.81/6,349.40
  6. Step 6: Final answer
    x = 5,099.59

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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.