Home / 8,310.08-12,464.96-2,153.92

Finding the Fourth Proportional to 8,310.08, 12,464.96 and 2,153.92

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Solution

The fourth proportional to 8,310.08, 12,464.96 and 2,153.92 is: 3,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.08 : 12,464.96 = 2,153.92 : x
  2. Step 2: Convert to fraction form
    8,310.08/12,464.96 = 2,153.92/x
  3. Step 3: Cross multiply
    8,310.08x = 12,464.96 × 2,153.92
  4. Step 4: Simplify right side
    8,310.08x = 26,848,526.64
  5. Step 5: Solve for x
    x = 26,848,526.64/8,310.08
  6. Step 6: Final answer
    x = 3,230.84

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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.