Home / 4,149.35-6,205.80-3,165.20

Finding the Fourth Proportional to 4,149.35, 6,205.80 and 3,165.20

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Solution

The fourth proportional to 4,149.35, 6,205.80 and 3,165.20 is: 4,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.35 : 6,205.80 = 3,165.20 : x
  2. Step 2: Convert to fraction form
    4,149.35/6,205.80 = 3,165.20/x
  3. Step 3: Cross multiply
    4,149.35x = 6,205.80 × 3,165.20
  4. Step 4: Simplify right side
    4,149.35x = 19,642,598.16
  5. Step 5: Solve for x
    x = 19,642,598.16/4,149.35
  6. Step 6: Final answer
    x = 4,733.90

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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.