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Finding the Fourth Proportional to 8,061.60, 12,092.40 and 4,605.60

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Solution

The fourth proportional to 8,061.60, 12,092.40 and 4,605.60 is: 6,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.60 : 12,092.40 = 4,605.60 : x
  2. Step 2: Convert to fraction form
    8,061.60/12,092.40 = 4,605.60/x
  3. Step 3: Cross multiply
    8,061.60x = 12,092.40 × 4,605.60
  4. Step 4: Simplify right side
    8,061.60x = 55,692,757.44
  5. Step 5: Solve for x
    x = 55,692,757.44/8,061.60
  6. Step 6: Final answer
    x = 6,908.40

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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.