Home / 4,189.21-6,271.51-3,305.53

Finding the Fourth Proportional to 4,189.21, 6,271.51 and 3,305.53

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Solution

The fourth proportional to 4,189.21, 6,271.51 and 3,305.53 is: 4,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.21 : 6,271.51 = 3,305.53 : x
  2. Step 2: Convert to fraction form
    4,189.21/6,271.51 = 3,305.53/x
  3. Step 3: Cross multiply
    4,189.21x = 6,271.51 × 3,305.53
  4. Step 4: Simplify right side
    4,189.21x = 20,730,634.95
  5. Step 5: Solve for x
    x = 20,730,634.95/4,189.21
  6. Step 6: Final answer
    x = 4,948.58

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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.