Home / 4,276.09-6,405.19-3,438.62

Finding the Fourth Proportional to 4,276.09, 6,405.19 and 3,438.62

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Solution

The fourth proportional to 4,276.09, 6,405.19 and 3,438.62 is: 5,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.09 : 6,405.19 = 3,438.62 : x
  2. Step 2: Convert to fraction form
    4,276.09/6,405.19 = 3,438.62/x
  3. Step 3: Cross multiply
    4,276.09x = 6,405.19 × 3,438.62
  4. Step 4: Simplify right side
    4,276.09x = 22,024,997.83
  5. Step 5: Solve for x
    x = 22,024,997.83/4,276.09
  6. Step 6: Final answer
    x = 5,150.74

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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.