Home / 8,907.05-13,360.69-3,976.96

Finding the Fourth Proportional to 8,907.05, 13,360.69 and 3,976.96

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Solution

The fourth proportional to 8,907.05, 13,360.69 and 3,976.96 is: 5,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.05 : 13,360.69 = 3,976.96 : x
  2. Step 2: Convert to fraction form
    8,907.05/13,360.69 = 3,976.96/x
  3. Step 3: Cross multiply
    8,907.05x = 13,360.69 × 3,976.96
  4. Step 4: Simplify right side
    8,907.05x = 53,134,929.70
  5. Step 5: Solve for x
    x = 53,134,929.70/8,907.05
  6. Step 6: Final answer
    x = 5,965.49

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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.