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Finding the Fourth Proportional to 8,304.54, 11,453.22 and 7,017.32

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Solution

The fourth proportional to 8,304.54, 11,453.22 and 7,017.32 is: 9,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.54 : 11,453.22 = 7,017.32 : x
  2. Step 2: Convert to fraction form
    8,304.54/11,453.22 = 7,017.32/x
  3. Step 3: Cross multiply
    8,304.54x = 11,453.22 × 7,017.32
  4. Step 4: Simplify right side
    8,304.54x = 80,370,844.37
  5. Step 5: Solve for x
    x = 80,370,844.37/8,304.54
  6. Step 6: Final answer
    x = 9,677.94

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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.