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Finding the Fourth Proportional to 8,797.16, 13,188.47 and 4,114.86

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Solution

The fourth proportional to 8,797.16, 13,188.47 and 4,114.86 is: 6,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.16 : 13,188.47 = 4,114.86 : x
  2. Step 2: Convert to fraction form
    8,797.16/13,188.47 = 4,114.86/x
  3. Step 3: Cross multiply
    8,797.16x = 13,188.47 × 4,114.86
  4. Step 4: Simplify right side
    8,797.16x = 54,268,687.09
  5. Step 5: Solve for x
    x = 54,268,687.09/8,797.16
  6. Step 6: Final answer
    x = 6,168.89

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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.