Home / 8,844.40-12,202.68-5,489.84

Finding the Fourth Proportional to 8,844.40, 12,202.68 and 5,489.84

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Solution

The fourth proportional to 8,844.40, 12,202.68 and 5,489.84 is: 7,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.40 : 12,202.68 = 5,489.84 : x
  2. Step 2: Convert to fraction form
    8,844.40/12,202.68 = 5,489.84/x
  3. Step 3: Cross multiply
    8,844.40x = 12,202.68 × 5,489.84
  4. Step 4: Simplify right side
    8,844.40x = 66,990,760.77
  5. Step 5: Solve for x
    x = 66,990,760.77/8,844.40
  6. Step 6: Final answer
    x = 7,574.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.