Home / 8,902.20-13,338.62-3,055.64

Finding the Fourth Proportional to 8,902.20, 13,338.62 and 3,055.64

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Solution

The fourth proportional to 8,902.20, 13,338.62 and 3,055.64 is: 4,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.20 : 13,338.62 = 3,055.64 : x
  2. Step 2: Convert to fraction form
    8,902.20/13,338.62 = 3,055.64/x
  3. Step 3: Cross multiply
    8,902.20x = 13,338.62 × 3,055.64
  4. Step 4: Simplify right side
    8,902.20x = 40,758,020.82
  5. Step 5: Solve for x
    x = 40,758,020.82/8,902.20
  6. Step 6: Final answer
    x = 4,578.42

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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.