Home / 5,405.31-8,107.96-2,284.50

Finding the Fourth Proportional to 5,405.31, 8,107.96 and 2,284.50

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Solution

The fourth proportional to 5,405.31, 8,107.96 and 2,284.50 is: 3,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.31 : 8,107.96 = 2,284.50 : x
  2. Step 2: Convert to fraction form
    5,405.31/8,107.96 = 2,284.50/x
  3. Step 3: Cross multiply
    5,405.31x = 8,107.96 × 2,284.50
  4. Step 4: Simplify right side
    5,405.31x = 18,522,628.91
  5. Step 5: Solve for x
    x = 18,522,628.91/5,405.31
  6. Step 6: Final answer
    x = 3,426.75

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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.