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Finding the Fourth Proportional to 8,180.40, 12,270.60 and 2,024.40

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Solution

The fourth proportional to 8,180.40, 12,270.60 and 2,024.40 is: 3,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.40 : 12,270.60 = 2,024.40 : x
  2. Step 2: Convert to fraction form
    8,180.40/12,270.60 = 2,024.40/x
  3. Step 3: Cross multiply
    8,180.40x = 12,270.60 × 2,024.40
  4. Step 4: Simplify right side
    8,180.40x = 24,840,602.64
  5. Step 5: Solve for x
    x = 24,840,602.64/8,180.40
  6. Step 6: Final answer
    x = 3,036.60

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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.