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Finding the Fourth Proportional to 6,622.51, 9,936.18 and 6,231.28

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Solution

The fourth proportional to 6,622.51, 9,936.18 and 6,231.28 is: 9,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.51 : 9,936.18 = 6,231.28 : x
  2. Step 2: Convert to fraction form
    6,622.51/9,936.18 = 6,231.28/x
  3. Step 3: Cross multiply
    6,622.51x = 9,936.18 × 6,231.28
  4. Step 4: Simplify right side
    6,622.51x = 61,915,070.03
  5. Step 5: Solve for x
    x = 61,915,070.03/6,622.51
  6. Step 6: Final answer
    x = 9,349.19

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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.