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Finding the Fourth Proportional to 6,636.49, 9,158.97 and 3,652.93

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Solution

The fourth proportional to 6,636.49, 9,158.97 and 3,652.93 is: 5,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.49 : 9,158.97 = 3,652.93 : x
  2. Step 2: Convert to fraction form
    6,636.49/9,158.97 = 3,652.93/x
  3. Step 3: Cross multiply
    6,636.49x = 9,158.97 × 3,652.93
  4. Step 4: Simplify right side
    6,636.49x = 33,457,076.28
  5. Step 5: Solve for x
    x = 33,457,076.28/6,636.49
  6. Step 6: Final answer
    x = 5,041.38

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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.