Home / 4,113.30-6,169.68-1,645.14

Finding the Fourth Proportional to 4,113.30, 6,169.68 and 1,645.14

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Solution

The fourth proportional to 4,113.30, 6,169.68 and 1,645.14 is: 2,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.30 : 6,169.68 = 1,645.14 : x
  2. Step 2: Convert to fraction form
    4,113.30/6,169.68 = 1,645.14/x
  3. Step 3: Cross multiply
    4,113.30x = 6,169.68 × 1,645.14
  4. Step 4: Simplify right side
    4,113.30x = 10,149,987.36
  5. Step 5: Solve for x
    x = 10,149,987.36/4,113.30
  6. Step 6: Final answer
    x = 2,467.60

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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.