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Finding the Fourth Proportional to 8,157.35, 12,230.03 and 2,607.49

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Solution

The fourth proportional to 8,157.35, 12,230.03 and 2,607.49 is: 3,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.35 : 12,230.03 = 2,607.49 : x
  2. Step 2: Convert to fraction form
    8,157.35/12,230.03 = 2,607.49/x
  3. Step 3: Cross multiply
    8,157.35x = 12,230.03 × 2,607.49
  4. Step 4: Simplify right side
    8,157.35x = 31,889,680.92
  5. Step 5: Solve for x
    x = 31,889,680.92/8,157.35
  6. Step 6: Final answer
    x = 3,909.32

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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.