Home / 6,189.89-8,542.49-3,538.13

Finding the Fourth Proportional to 6,189.89, 8,542.49 and 3,538.13

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Solution

The fourth proportional to 6,189.89, 8,542.49 and 3,538.13 is: 4,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.89 : 8,542.49 = 3,538.13 : x
  2. Step 2: Convert to fraction form
    6,189.89/8,542.49 = 3,538.13/x
  3. Step 3: Cross multiply
    6,189.89x = 8,542.49 × 3,538.13
  4. Step 4: Simplify right side
    6,189.89x = 30,224,379.74
  5. Step 5: Solve for x
    x = 30,224,379.74/6,189.89
  6. Step 6: Final answer
    x = 4,882.87

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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.