Home / 4,103.28-6,153.35-1,329.21

Finding the Fourth Proportional to 4,103.28, 6,153.35 and 1,329.21

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Solution

The fourth proportional to 4,103.28, 6,153.35 and 1,329.21 is: 1,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.28 : 6,153.35 = 1,329.21 : x
  2. Step 2: Convert to fraction form
    4,103.28/6,153.35 = 1,329.21/x
  3. Step 3: Cross multiply
    4,103.28x = 6,153.35 × 1,329.21
  4. Step 4: Simplify right side
    4,103.28x = 8,179,087.71
  5. Step 5: Solve for x
    x = 8,179,087.71/4,103.28
  6. Step 6: Final answer
    x = 1,993.30

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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.