Home / 8,629.92-11,904.84-5,482.80

Finding the Fourth Proportional to 8,629.92, 11,904.84 and 5,482.80

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Solution

The fourth proportional to 8,629.92, 11,904.84 and 5,482.80 is: 7,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.92 : 11,904.84 = 5,482.80 : x
  2. Step 2: Convert to fraction form
    8,629.92/11,904.84 = 5,482.80/x
  3. Step 3: Cross multiply
    8,629.92x = 11,904.84 × 5,482.80
  4. Step 4: Simplify right side
    8,629.92x = 65,271,856.75
  5. Step 5: Solve for x
    x = 65,271,856.75/8,629.92
  6. Step 6: Final answer
    x = 7,563.44

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