Home / 6,140.28-9,207.03-2,190.90

Finding the Fourth Proportional to 6,140.28, 9,207.03 and 2,190.90

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Solution

The fourth proportional to 6,140.28, 9,207.03 and 2,190.90 is: 3,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.28 : 9,207.03 = 2,190.90 : x
  2. Step 2: Convert to fraction form
    6,140.28/9,207.03 = 2,190.90/x
  3. Step 3: Cross multiply
    6,140.28x = 9,207.03 × 2,190.90
  4. Step 4: Simplify right side
    6,140.28x = 20,171,682.03
  5. Step 5: Solve for x
    x = 20,171,682.03/6,140.28
  6. Step 6: Final answer
    x = 3,285.14

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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.