Home / 8,907.08-12,286.80-5,550.44

Finding the Fourth Proportional to 8,907.08, 12,286.80 and 5,550.44

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Solution

The fourth proportional to 8,907.08, 12,286.80 and 5,550.44 is: 7,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.08 : 12,286.80 = 5,550.44 : x
  2. Step 2: Convert to fraction form
    8,907.08/12,286.80 = 5,550.44/x
  3. Step 3: Cross multiply
    8,907.08x = 12,286.80 × 5,550.44
  4. Step 4: Simplify right side
    8,907.08x = 68,197,146.19
  5. Step 5: Solve for x
    x = 68,197,146.19/8,907.08
  6. Step 6: Final answer
    x = 7,656.51

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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.