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Finding the Fourth Proportional to 8,994.57, 13,489.99 and 2,419.19

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Solution

The fourth proportional to 8,994.57, 13,489.99 and 2,419.19 is: 3,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.57 : 13,489.99 = 2,419.19 : x
  2. Step 2: Convert to fraction form
    8,994.57/13,489.99 = 2,419.19/x
  3. Step 3: Cross multiply
    8,994.57x = 13,489.99 × 2,419.19
  4. Step 4: Simplify right side
    8,994.57x = 32,634,848.91
  5. Step 5: Solve for x
    x = 32,634,848.91/8,994.57
  6. Step 6: Final answer
    x = 3,628.28

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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.