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Finding the Fourth Proportional to 8,113.60, 12,174.45 and 4,606.30

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Solution

The fourth proportional to 8,113.60, 12,174.45 and 4,606.30 is: 6,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.60 : 12,174.45 = 4,606.30 : x
  2. Step 2: Convert to fraction form
    8,113.60/12,174.45 = 4,606.30/x
  3. Step 3: Cross multiply
    8,113.60x = 12,174.45 × 4,606.30
  4. Step 4: Simplify right side
    8,113.60x = 56,079,169.04
  5. Step 5: Solve for x
    x = 56,079,169.04/8,113.60
  6. Step 6: Final answer
    x = 6,911.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.