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Finding the Fourth Proportional to 8,800.20, 13,232.70 and 7,374.60

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Solution

The fourth proportional to 8,800.20, 13,232.70 and 7,374.60 is: 11,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.20 : 13,232.70 = 7,374.60 : x
  2. Step 2: Convert to fraction form
    8,800.20/13,232.70 = 7,374.60/x
  3. Step 3: Cross multiply
    8,800.20x = 13,232.70 × 7,374.60
  4. Step 4: Simplify right side
    8,800.20x = 97,585,869.42
  5. Step 5: Solve for x
    x = 97,585,869.42/8,800.20
  6. Step 6: Final answer
    x = 11,089.05

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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.