Home / 6,101.21-8,419.65-3,306.71

Finding the Fourth Proportional to 6,101.21, 8,419.65 and 3,306.71

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Solution

The fourth proportional to 6,101.21, 8,419.65 and 3,306.71 is: 4,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.21 : 8,419.65 = 3,306.71 : x
  2. Step 2: Convert to fraction form
    6,101.21/8,419.65 = 3,306.71/x
  3. Step 3: Cross multiply
    6,101.21x = 8,419.65 × 3,306.71
  4. Step 4: Simplify right side
    6,101.21x = 27,841,340.85
  5. Step 5: Solve for x
    x = 27,841,340.85/6,101.21
  6. Step 6: Final answer
    x = 4,563.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.