Home / 8,908.08-13,375.61-7,074.06

Finding the Fourth Proportional to 8,908.08, 13,375.61 and 7,074.06

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Solution

The fourth proportional to 8,908.08, 13,375.61 and 7,074.06 is: 10,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.08 : 13,375.61 = 7,074.06 : x
  2. Step 2: Convert to fraction form
    8,908.08/13,375.61 = 7,074.06/x
  3. Step 3: Cross multiply
    8,908.08x = 13,375.61 × 7,074.06
  4. Step 4: Simplify right side
    8,908.08x = 94,619,826.40
  5. Step 5: Solve for x
    x = 94,619,826.40/8,908.08
  6. Step 6: Final answer
    x = 10,621.80

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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.