Home / 6,189.81-9,287.55-2,680.89

Finding the Fourth Proportional to 6,189.81, 9,287.55 and 2,680.89

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Solution

The fourth proportional to 6,189.81, 9,287.55 and 2,680.89 is: 4,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.81 : 9,287.55 = 2,680.89 : x
  2. Step 2: Convert to fraction form
    6,189.81/9,287.55 = 2,680.89/x
  3. Step 3: Cross multiply
    6,189.81x = 9,287.55 × 2,680.89
  4. Step 4: Simplify right side
    6,189.81x = 24,898,899.92
  5. Step 5: Solve for x
    x = 24,898,899.92/6,189.81
  6. Step 6: Final answer
    x = 4,022.56

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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.