Home / 4,154.32-6,230.00-1,380.25

Finding the Fourth Proportional to 4,154.32, 6,230.00 and 1,380.25

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Solution

The fourth proportional to 4,154.32, 6,230.00 and 1,380.25 is: 2,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.32 : 6,230.00 = 1,380.25 : x
  2. Step 2: Convert to fraction form
    4,154.32/6,230.00 = 1,380.25/x
  3. Step 3: Cross multiply
    4,154.32x = 6,230.00 × 1,380.25
  4. Step 4: Simplify right side
    4,154.32x = 8,598,919.45
  5. Step 5: Solve for x
    x = 8,598,919.45/4,154.32
  6. Step 6: Final answer
    x = 2,069.87

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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.