Home / 9,214.12-13,819.02-2,639.08

Finding the Fourth Proportional to 9,214.12, 13,819.02 and 2,639.08

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Solution

The fourth proportional to 9,214.12, 13,819.02 and 2,639.08 is: 3,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.12 : 13,819.02 = 2,639.08 : x
  2. Step 2: Convert to fraction form
    9,214.12/13,819.02 = 2,639.08/x
  3. Step 3: Cross multiply
    9,214.12x = 13,819.02 × 2,639.08
  4. Step 4: Simplify right side
    9,214.12x = 36,469,499.30
  5. Step 5: Solve for x
    x = 36,469,499.30/9,214.12
  6. Step 6: Final answer
    x = 3,958.00

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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.