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Finding the Fourth Proportional to 8,873.64, 13,304.97 and 4,980.78

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Solution

The fourth proportional to 8,873.64, 13,304.97 and 4,980.78 is: 7,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.64 : 13,304.97 = 4,980.78 : x
  2. Step 2: Convert to fraction form
    8,873.64/13,304.97 = 4,980.78/x
  3. Step 3: Cross multiply
    8,873.64x = 13,304.97 × 4,980.78
  4. Step 4: Simplify right side
    8,873.64x = 66,269,128.48
  5. Step 5: Solve for x
    x = 66,269,128.48/8,873.64
  6. Step 6: Final answer
    x = 7,468.09

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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.