Home / 6,270.13-9,405.20-2,166.13

Finding the Fourth Proportional to 6,270.13, 9,405.20 and 2,166.13

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Solution

The fourth proportional to 6,270.13, 9,405.20 and 2,166.13 is: 3,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.13 : 9,405.20 = 2,166.13 : x
  2. Step 2: Convert to fraction form
    6,270.13/9,405.20 = 2,166.13/x
  3. Step 3: Cross multiply
    6,270.13x = 9,405.20 × 2,166.13
  4. Step 4: Simplify right side
    6,270.13x = 20,372,885.88
  5. Step 5: Solve for x
    x = 20,372,885.88/6,270.13
  6. Step 6: Final answer
    x = 3,249.20

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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.